![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_fe0752a8b8d7dcc41cb04f6c3cbe759b.svg) | Tamsulosin | IC50 | 4.8 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_628cf5c819819c75fc97c108403b82dd.svg) | Methyl 5-[3-(4,4-diphenylpiperidin-1-yl)propylcarbamoyl]-2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3-carboxylate | Ki | 269.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_3d96615c46a239eb07c6cfebdb122015.svg) | Doxazosin | Ki | 0.63 [1], 0.74 [2], 0.81 [3], 1.0 [4] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_b46a2577496f41af96e22052685ef08f.svg) | 3-[2-[4-(2-Methoxyphenyl)-1-piperazinyl]ethyl]-1,5-dihydropyrimido[5,4-b]indole-2,4-dione | Ki | 1.82 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_5f6b1128b3253286953ce0b4d920043e.svg) | N-((1r,4r)-4-(4-(2-Cyclopropoxyphenyl)piperidin-1-yl)cyclohexyl)-3,4-dimethoxybenzenesulfonamide | Ki | 133.0 [1], 141.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_d64ff67e90175d413c9f5dcf3016be21.svg) | N-((1r,4r)-4-(4-(2-Isopropoxyphenyl)piperidin-1-yl)cyclohexyl)-3,4-dimethoxybenzenesulfonamide | Ki | 144.0 [1], 148.0 [2], 151.0 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_7144d123238b854bbde00080619e7f09.svg) | 3,4-Dimethoxy-N-[4-[4-[2-(2,2,2-trifluoroethoxy)phenyl]piperidin-1-yl]cyclohexyl]benzenesulfonamide | Ki | 123.0 [1], 368.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_f9039ce6bbf46370f0f0b0f9596f9c5e.svg) | N-((1r,4r)-4-(4-(2-(2-Fluoroethoxy)phenyl)piperidin-1-yl)cyclohexyl)-3,4-dimethoxybenzenesulfonamide | Ki | 354.0 [1], 401.0 [2], 4403.0 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_f8f80c78dd47ec14086988730d776a2f.svg) | N-[4-[4-[2-(2,2-Difluoroethoxy)phenyl]piperidin-1-yl]cyclohexyl]-3,4-dimethoxybenzenesulfonamide | Ki | 278.0 [1], 300.0 [2], 681.0 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_25c5cb3558564838a1f2f6cd6a2ee4af.svg) | 3,4-Dimethoxy-N-[4-[4-(2-propan-2-yloxyphenyl)piperazin-1-yl]cyclohexyl]benzenesulfonamide | Ki | 106.0 [1], 109.0 [2], 126.0 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_100a6b13486c9975a61ba5f10cb38eb9.svg) | Yohimbine | Ki | 1.1 [1], 7.2 [2], 966.0 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_822ed9ddbb0a07c5a21db2f3d121f745.svg) | Rauwolscine | Ki | 0.6 [1], 4.6 [2], 2270.0 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_be653f89bf9757f77ea6b06dba105b92.svg) | Alfuzosin | Ki | 2.8 [1], 10.0 [2], 12.0 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_e3096b66767b9a59542159f718830971.svg) | Azelastine | Ki | 50.12 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_2f8b1a65fcaa2c2002b0eddc770532aa.svg) | Silodosin | IC50 | 116.0 [1], 541.4 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_2f8b1a65fcaa2c2002b0eddc770532aa.svg) | Silodosin | Ki | 19.95 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_61b54f6a9d8fde0cb2e300ef5abb08c9.svg) | Naftopidil | IC50 | 634.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_61b54f6a9d8fde0cb2e300ef5abb08c9.svg) | Naftopidil | Ki | 19.95 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_01e12972ea4730f06a2b9903f3170d50.svg) | Indoramin | Ki | 25.0 [1], 29.0 [2], 39.81 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_09d61e0b7585577e0b350506f4f4c16d.svg) | 8-(2-(4-(2-Methoxyphenyl)piperazin-1-yl)ethyl)-8-azaspiro[4.5]decane-7,9-dione dihydrochloride | Ki | 50.12 [1], 630.96 [2], 707.95 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_dbc04cc2bb288e3684ed846b2d98ba3b.svg) | 5-Methylurapidil | Ki | 39.81 [1], 92.0 [2], 535.0 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_45dcbd1bf64013c2b1cc683f9b147e16.svg) | Niguldipine | Ki | 25.01 [1], 55.0 [2], 85.0 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_aaf0c948ec6905346ef46a5321d52fb9.svg) | 7-Chloro-2-ethenyl-3,4,5,6-tetrahydro-4-methylthieno(4,3,2-ef)(3)benzazepine | Ki | 19.95 [1], 23.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_7ad51d7da861e542463461d48139ba35.svg) | Benzyl (2S)-4-(4-amino-6,7-dimethoxyquinazolin-2-yl)-2-(tert-butylcarbamoyl)piperazine-1-carboxylate | IC50 | 8.8 [1], 5800.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_7ad51d7da861e542463461d48139ba35.svg) | Benzyl (2S)-4-(4-amino-6,7-dimethoxyquinazolin-2-yl)-2-(tert-butylcarbamoyl)piperazine-1-carboxylate | Ki | 2.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_c3ac8b3671d02adb7e16b67e109c0efe.svg) | 2-[[(2R)-1-[4-[4-[3-(Azepan-1-yl)propoxy]phenyl]butyl]pyrrolidin-2-yl]methyl]-4-[(4-chlorophenyl)methyl]phthalazin-1-one | Ki | 31.62 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_0b339e2acee573672438af836b0b3fe7.svg) | Methyl 1-[3-[[5-carbamoyl-4-(3,4-difluorophenyl)-6-ethyl-2-oxo-1,4-dihydropyrimidine-3-carbonyl]amino]propyl]-4-phenylpiperidine-4-carboxylate | Ki | 250.0 [1], 260.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_da3a4948f404fa572f0ac6e028f676fa.svg) | (4S,5S)-4-(3,4-Difluorophenyl)-N-[3-[4-(4-fluorophenyl)piperidin-1-yl]propyl]-5-methyl-2-oxo-1,3-oxazolidine-3-carboxamide | Ki | 119.0 [1], 121.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_ab1ab4ef07b41b9f04486287fd7265b9.svg) | 8-[(2R)-1-[4-(2,4,5-Trifluorophenyl)piperazin-1-yl]propan-2-yl]-8-azaspiro[4.5]decane-7,9-dione | Ki | 165.0 [1], 191.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_4453feaaab4157d3691abc3d53b4a76c.svg) | N-[[(3S)-2,3-Dihydro-1,4-benzodioxin-3-yl]methyl]-2-(2,6-dimethoxyphenoxy)ethanamine;hydrochloride | Ki | 5.75 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_f55cc3c3d081e9b01c9a5590a44a3b44.svg) | 5-N-[3-(4,4-Diphenylpiperidin-1-yl)propyl]-3-N,2,6-trimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxamide | Ki | 416.0 [1], 416.87 [2], 489.78 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_353de4856aad482e432e828dd0efa8b5.svg) | 5-N-[3-(4,4-Diphenylpiperidin-1-yl)propyl]-2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxamide | Ki | 330.0 [1], 331.13 [2], 407.0 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_b9c45eb2042fa8caa502ce4b5f696301.svg) | N-[(2,2-Diphenyl-1,3-dioxolan-4-yl)methyl]-2-phenoxyethanamine;oxalic acid | Ki | 63.1 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_6a047b6da196d2977939f018472f9739.svg) | [(4As,8aR)-4-(4-amino-6,7-dimethoxyquinazolin-2-yl)-2,3,4a,5,6,7,8,8a-octahydroquinoxalin-1-yl]-(furan-2-yl)methanone | Ki | 0.07 [1], 0.13 [2], 0.69 [3] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_e684ff905325760b5d18575644f1108f.svg) | Phentolamine | Ki | 4.8 [1], 47.4 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_f0b974acce173ed1efad29446af0c351.svg) | Cyclohexanecarboxamide, n-[2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]-n-2-pyridinyl- | Ki | 66.07 [1], 322.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_a5f6b839e0f27ed6fd77b5892e78922f.svg) | Dexniguldipine | Ki | 54.95 [1], 56.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_4cd3f50478497a459314a4a4f5b8c930.svg) | Abanoquil | Ki | 0.08 [1], 0.11 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_1fda4985931c2c480c4e88e39e59e589.svg) | Upidosin | Ki | 3.9 [1], 31.62 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_7e67dc53b9dda9b460fb3afbfa5076d7.svg) | N,N-Diallyl-5-methoxytryptamine | Ki | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_aa92cb575f0456161594c002e3244813.svg) | CID 9872515 | Ki | 79.43 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_bda70d886336e7bef5362a059f058cbf.svg) | CID 9891980 | IC50 | 1.2 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_bda70d886336e7bef5362a059f058cbf.svg) | CID 9891980 | Ki | 0.45 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_a0b09fab2d611112d3464cc7ebe53846.svg) | 2-(2-Biphenylyloxymethyl)-2-imidazoline | IC50 | 741.31 [1], 2398.83 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_6fb29d61b659d85f4cfb55da06cb24ed.svg) | N-[2-(2,6-Dimethoxyphenoxy)ethyl]-2-(2-phenylmethoxyphenoxy)ethanamine | Ki | 0.54 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_778069475013af06b99691ff220bf949.svg) | 5-Chloro-N-[4-methoxy-3-(4-methylpiperazin-1-yl)phenyl]-3-methyl-1-benzothiophene-2-sulfonamide | Ki | 1995.26 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_09496d3520391d098ba91bc7bd71681d.svg) | Methyl 4-(3,4-difluorophenyl)-3-[3-(4-methoxycarbonyl-4-phenylpiperidin-1-yl)propylcarbamoyl]-6-methyl-2-oxo-1,4-dihydropyrimidine-5-carboxylate | Ki | 45.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_08c0971c1869066381e936848545bc75.svg) | 2-(2,6-Dimethoxyphenoxy)-N-[[(2R)-6,6-diphenyl-1,4-dioxan-2-yl]methyl]ethanamine | Ki | 194.98 [1], 323.59 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_a046fe66477fb00d53548d3fc5f8d779.svg) | N-[[(2R)-6,6-Diphenyl-1,4-dioxan-2-yl]methyl]-2-(2-methoxyphenoxy)ethanamine | Ki | 21.88 [1], 56.23 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_578f6b3954dcdeb8c030d8c880a5d0e8.svg) | N-[[(2R)-6,6-Diphenyl-1,4-dioxan-2-yl]methyl]-2-phenoxyethanamine | Ki | 52.48 [1], 120.23 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_3f9f85b39a39a1d6cb0eeb1e9970d8e1.svg) | 5-N-[4-(4,4-Diphenylpiperidin-1-yl)butyl]-2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxamide | Ki | 331.13 [1], 367.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_8342c3aea2030e0fc19ccbf45b947886.svg) | N-[[(3R)-2,3-Dihydro-1,4-benzodioxin-3-yl]methyl]-2-(2,6-dimethoxyphenoxy)ethanamine;hydrochloride | Ki | 72.44 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_b375adc21a71cbe0cd48b1b84c9c7bed.svg) | 3-[2-[4-(2-Methoxyphenyl)piperazin-1-yl]ethyl]-1H-[1]benzothiolo[3,2-d]pyrimidine-2,4-dione | Ki | 8.91 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_176d1a3872da10db969250d52fdcd866.svg) | Methyl 1-[3-[[5-carbamoyl-4-(2,4-difluorophenyl)-6-ethyl-2-oxo-1,4-dihydropyrimidine-3-carbonyl]amino]propyl]-4-phenylpiperidine-4-carboxylate | Ki | 220.0 [1], 340.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_0fbf0b4199855e630345b0acb4e62361.svg) | Methyl 4-(3,4-difluorophenyl)-3-[5-(4-methoxycarbonyl-4-phenylpiperidin-1-yl)pentyl]-6-methyl-2-oxo-1,4-dihydropyrimidine-5-carboxylate | Ki | 140.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_fe570742b10c56dd0727f8fd63a62121.svg) | Methyl 1-[3-[[5-carbamoyl-2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3-carbonyl]amino]propyl]-4-phenylpiperidine-4-carboxylate | Ki | 2740.0 [1], 3700.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_d14bb93839d4d29e6d80a2e4086dd705.svg) | Methyl 5-[4-(4,4-diphenylpiperidin-1-yl)butylcarbamoyl]-2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3-carboxylate | Ki | 64.57 [1], 134.9 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_13ca4eb6133cbcc6a9565cb6a5cb5c73.svg) | 3-[2-[4-(2-Methoxyphenyl)piperazin-1-yl]ethyl]-2-methyl-5H-pyrimido[5,4-b]indol-4-one | Ki | 20.89 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_f0114ca81bcb55659b95b0c2962714e8.svg) | Methyl 5-[3-(4-methoxycarbonyl-4-phenylpiperidin-1-yl)propylcarbamoyl]-2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3-carboxylate | Ki | 700.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_eca8ec7a17340b65e9287a7d9930206a.svg) | 4-[(4-Chlorophenyl)methyl]-2-[[(2R)-1-methylpyrrolidin-2-yl]methyl]phthalazin-1-one | Ki | 10.0 [1], 12.59 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_b2d5c4d3b4ae880e24b60fc6997f2a83.svg) | 5-Chloro-2-methoxy-N-[4-[4-(2-propan-2-yloxyphenyl)piperazin-1-yl]cyclohexyl]benzenesulfonamide | Ki | 78.0 [1], 250.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_ab55beb69b4af1c1d0519688b194945f.svg) | 1-[3-(Di-p-tolylacetylamino)propyl]-4-phenylpiperidine-4-carbonitrile | Ki | 2000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_44dda55113f8657f04793721a48de0ff.svg) | N-[(6,6-Diphenyl-1,4-dioxan-2-yl)methyl]-2-(2-methoxyphenoxy)ethanamine | Ki | 56.23 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_598fcce9dc0151b23668cb40b023cc0b.svg) | 1-(1,4-Dioxaspiro[4.5]decan-3-ylmethyl)-4-(2-methoxyphenyl)piperazine | Ki | 125.89 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_a218b274b90e6950b6059091208950fd.svg) | 1-[3-(Di-p-tolylacetylamino)propyl]-4-phenylpiperidine-4-carboxylic acid methyl ester | Ki | 170.0 [1], 450.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_20a5f9e5686a3c7bb7b08df712d78637.svg) | 1-[3-(4-Methylphenylacetylamino)propyl]-4-phenyl-4-piperidinecarboxylic acid methyl ester | Ki | 3000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_115e36c2ce2881e19a58beabd8edad98.svg) | 3-[2-[4-(2-Methoxyphenyl)piperazin-1-yl]ethyl]-2-methyl-[1]benzothiolo[3,2-d]pyrimidin-4-one | Ki | 17.38 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_c4d9a3069d676004683f1effc26cf957.svg) | N-((1r,4r)-4-(4-(2-Isopropoxyphenyl)piperazin-1-yl)cyclohexyl)-4-(methylsulfonyl)benzenesulfonamide | Ki | 195.0 [1], 392.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_5b9ba8637a208e1f7ea1090009f0036d.svg) | 2-Methoxy-5-methyl-N-[4-[4-(2-propan-2-yloxyphenyl)piperazin-1-yl]cyclohexyl]benzenesulfonamide | Ki | 162.0 [1], 218.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_3554202f0fb3610b105ba24dab0acab3.svg) | 5-Fluoro-2-methoxy-N-[4-[4-(2-propan-2-yloxyphenyl)piperazin-1-yl]cyclohexyl]benzenesulfonamide | Ki | 162.0 [1], 714.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_f956c5c96589c75da105cb3dc85948d0.svg) | 2,4-Dichloro-N-[4-[4-(2-propan-2-yloxyphenyl)piperazin-1-yl]cyclohexyl]benzenesulfonamide | Ki | 177.0 [1], 596.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_2a34c290cca361110b84839193106547.svg) | [(4Ar,8aS)-4-(4-amino-6,7-dimethoxyquinazolin-2-yl)-2,3,4a,5,6,7,8,8a-octahydroquinoxalin-1-yl]-(2,3-dihydro-1,4-benzodioxin-3-yl)methanone | Ki | 0.42 [1], 1.41 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_a758e6a140a27a18d8984ea19745dfc6.svg) | N-[(2,2-Diphenyl-1,3-dioxolan-4-yl)methyl]-2-(2-methoxyphenoxy)ethanamine;oxalic acid | Ki | 45.71 [1], 46.77 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_e05caad144627d9574fb9fa6d680a565.svg) | N-[[(3S)-2,3-Dihydro-1,4-benzodioxin-3-yl]methyl]-2-(2-methoxynaphthalen-1-yl)oxyethanamine;hydrochloride | Ki | 15.85 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_76f6b46406248b58e405df5cd3aa5ab7.svg) | 1-[4-[4-(2-Methoxyphenyl)piperazin-1-yl]butyl]-4-phenylpiperidine-2,6-dione | Ki | 3.98 [1], 23.99 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_4ba7e6a2d480577ecea108ec69985524.svg) | 5-[(3,4-Dimethoxyphenyl)methyl]-5-azahexacyclo[5.4.1.02,6.03,10.04,8.09,12]dodecan-4-ol | Ki | 2766.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_94965f41cf09f1bdba21ef708dd4ab8c.svg) | 8-{2-[4-(2-Fluoro-phenyl)-piperazin-1-yl]-ethyl}-8-aza-spiro[4.5]decane-7,9-dione | Ki | 62.62 [1], 67.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_ca3de7fa2c9ec59452924e31b5db611e.svg) | 8-{2-[4-(2,5-Difluorophenyl)piperazin-1-yl]ethyl)-8-azaspiro[4.5]decane-7,9-dione | Ki | 5.88 [1], 54.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_6c7c1bedd3a0bcaf7b8527fe16c330ea.svg) | 5-O-[3-(4,4-Diphenylpiperidin-1-yl)propyl] 3-O-methyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate | Ki | 50.0 [1], 85.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_a404d46b8b04d9b150e8d5a4c6c996f3.svg) | N,N'-Bis(8-methylquinolin-4-yl)ethane-1,2-diamine | Ki | 39.81 [1], 40.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_27872399c8b19499f7db55e858154758.svg) | 4-Amino-6,7-dimethoxy-2-[(3S)-3-(t-butylcarbamoyl)-1-piperazinyl]quinazoline | IC50 | 31.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_27872399c8b19499f7db55e858154758.svg) | 4-Amino-6,7-dimethoxy-2-[(3S)-3-(t-butylcarbamoyl)-1-piperazinyl]quinazoline | Ki | 25.0 [1] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_0cc5cd18a682bff291e7e89ee61b6676.svg) | 3,4-Dimethoxy-N-[4-[4-[2-(2,2,2-trifluoroethoxy)phenyl]piperazin-1-yl]cyclohexyl]benzenesulfonamide | Ki | 39.0 [1], 86.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_fa84e3d527e241f60ea04a9ad0e870ad.svg) | 3,4-Difluoro-N-((1r,4r)-4-(4-(2-isopropoxyphenyl)piperidin-1-yl)cyclohexyl)benzenesulfonamide | Ki | 470.0 [1], 1385.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_5b5f132f4ca9dff545a2c94dcc2745ca.svg) | 5-Chloro-N-[4-[4-(2-cyclopropyloxyphenyl)piperidin-1-yl]cyclohexyl]-2-methoxybenzenesulfonamide | Ki | 82.0 [1], 305.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_cf5d538ed40de03556dd81efef815cb0.svg) | 5-Chloro-N-((1r,4r)-4-(4-(2-cyclopropoxyphenyl)piperidin-1-yl)cyclohexyl)-2-fluorobenzenesulfonamide | Ki | 107.0 [1], 337.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_ed226f0b27c0dff4fb86d3f972e7acbf.svg) | N-[4-[4-[2-(2,2,2-Trifluoroethoxy)phenyl]piperidin-1-yl]cyclohexyl]-2,3-dihydro-1,4-benzodioxine-6-sulfonamide | Ki | 91.0 [1], 92.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_6fba41aaeca333dba7f3ccf65f54fd60.svg) | 5-Chloro-2-methoxy-N-[4-[4-[2-(2,2,2-trifluoroethoxy)phenyl]piperidin-1-yl]cyclohexyl]benzenesulfonamide | Ki | 216.0 [1], 703.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_7eb12affdac7e222777b084793a9e16d.svg) | 5-Chloro-2-fluoro-N-[4-[4-[2-(2,2,2-trifluoroethoxy)phenyl]piperidin-1-yl]cyclohexyl]benzenesulfonamide | Ki | 181.0 [1], 787.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_8fd7f4f186e05e114edbfad01d362767.svg) | 3-(Difluoromethoxy)-N-[4-[4-[2-(2,2,2-trifluoroethoxy)phenyl]piperidin-1-yl]cyclohexyl]benzenesulfonamide | Ki | 261.0 [1], 355.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_dddb215331172649720e42adbb10c75c.svg) | N-[4-[4-(4-Fluoro-2-propan-2-yloxyphenyl)piperidin-1-yl]cyclohexyl]-3,4-dimethoxybenzenesulfonamide | Ki | 639.0 [1], 690.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_5f84ebffb44fb9e5189f06433983687b.svg) | N-[4-[4-(5-Fluoro-2-propan-2-yloxyphenyl)piperidin-1-yl]cyclohexyl]-3,4-dimethoxybenzenesulfonamide | Ki | 299.0 [1], 1487.0 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_4de98aad55a49a008cbe48d447b0b8aa.svg) | N,N'-Bis(6-methylquinolin-4-yl)ethane-1,2-diamine | Ki | 19.0 [1], 19.05 [2] |
![](https://images.aatbio.com/dataset/ic50/alpha-1b-adrenergic-receptor_cf76fbaffe5d3a03ce1e1c7915b30d0b.svg) | N,N'-Bis(7-methylquinolin-4-yl)ethane-1,2-diamine | Ki | 47.86 [1], 48.0 [2] |