![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_7ce5c90b273b41810bee3170ac9401d3.svg) | Haloperidol | IC50 | 4.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_7ce5c90b273b41810bee3170ac9401d3.svg) | Haloperidol | Ki | 1.8 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_3eec89d5413916c57bfbbdb0ad27b9ea.svg) | 1,3-Di-o-tolylguanidine | IC50 | 31.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_3eec89d5413916c57bfbbdb0ad27b9ea.svg) | 1,3-Di-o-tolylguanidine | Ki | 28.8 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_d23ae7f24cc8aa35d2938e5a6636260f.svg) | (+)-Pentazocine | Ki | 2.1 [1], 2.7 [2], 3.77 [3], 6.1 [4], 152.0 [5] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_c5576011f49a8ce4754d88dcad4c10e9.svg) | alpha-(4-Fluorophenyl)-4-(5-fluoro-2-pyrimidinyl)-1-piperazine butanol | IC50 | 71.0 [1], 83.0 [2], 112.0 [3], 120.0 [4] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_c5576011f49a8ce4754d88dcad4c10e9.svg) | alpha-(4-Fluorophenyl)-4-(5-fluoro-2-pyrimidinyl)-1-piperazine butanol | Ki | 71.0 [1], 164.0 [2], 265.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_fa78d2be20be25dc0263e8d2ea543246.svg) | N-(2-(3,4-Dichlorophenyl)ethyl)-N-methyl-2-(1-pyrrolidinyl)ethylamine | Ki | 0.7 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_2e434bef13aa342323a8d54d9028d48b.svg) | Nalorphine | IC50 | 735.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_86a033676876f5d9781e3090f7072e16.svg) | Rimcazole | IC50 | 450.0 [1], 588.84 [2], 780.0 [3], 1400.0 [4], 1480.0 [5] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_86a033676876f5d9781e3090f7072e16.svg) | Rimcazole | Ki | 680.0 [1], 820.0 [2], 908.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_c389798573932fe6c3567874203823c0.svg) | Phencyclidine | IC50 | 560.0 [1], 868.0 [2], 1000.0 [3], 1050.0 [4] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_c389798573932fe6c3567874203823c0.svg) | Phencyclidine | Ki | 1090.0 [1], 1767.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_20d705597e00a598da4dc73fdb2f4127.svg) | 1-Cyclohexyl-4-[3-(5-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)propyl]piperazine | Ki | 5.3 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_af1061b20200eceb53eed37c16de76c5.svg) | S1RA | Ki | 17.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_515bde6762a99d60ed4fa526c3c6d637.svg) | Pentazocine | Ki | 36.5 [1], 83.1 [2], 110.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_576042ea919da9235ce8a81b7ec09dec.svg) | (S)-1-(4-Fluoro-phenyl)-4-[4-(5-fluoro-pyrimidin-2-yl)-piperazin-1-yl]-butan-1-ol | IC50 | 140.0 [1], 213.8 [2], 310.0 [3], 420.0 [4] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_576042ea919da9235ce8a81b7ec09dec.svg) | (S)-1-(4-Fluoro-phenyl)-4-[4-(5-fluoro-pyrimidin-2-yl)-piperazin-1-yl]-butan-1-ol | Ki | 490.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_17f9b89ff02486ea6dd748dc34c8c4a6.svg) | (R)-1-(4-Fluoro-phenyl)-4-[4-(5-fluoro-pyrimidin-2-yl)-piperazin-1-yl]-butan-1-ol | IC50 | 28.0 [1], 32.0 [2], 43.0 [3], 436.52 [4] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_17f9b89ff02486ea6dd748dc34c8c4a6.svg) | (R)-1-(4-Fluoro-phenyl)-4-[4-(5-fluoro-pyrimidin-2-yl)-piperazin-1-yl]-butan-1-ol | Ki | 64.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_47eddd337dafa05fe9d237d27dca82c1.svg) | Buspirone | IC50 | 36.31 [1], 263.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_47eddd337dafa05fe9d237d27dca82c1.svg) | Buspirone | Ki | 212.0 [1], 2427.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_860846400964c68116dbd15810d70a8d.svg) | 1,3-Diphenylguanidine | IC50 | 397.0 [1], 400.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_860846400964c68116dbd15810d70a8d.svg) | 1,3-Diphenylguanidine | Ki | 713.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_2df1c1ef3e03b0789adb94f11a40e66d.svg) | Siramesine | Ki | 17.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_175801b31eb7db03fa5409f269272efd.svg) | N,N'-Bis(4-methylphenyl)guanidine | IC50 | 535.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_175801b31eb7db03fa5409f269272efd.svg) | N,N'-Bis(4-methylphenyl)guanidine | Ki | 3.1 [1], 164.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_835b5f7c1c16d8deae9bb20f0f556822.svg) | (10As)-2-[3-[benzyl(methyl)amino]propyl]-10,10a-dihydro-5H-imidazo[1,5-b]isoquinoline-1,3-dione | IC50 | 3.9 [1], 650.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_835b5f7c1c16d8deae9bb20f0f556822.svg) | (10As)-2-[3-[benzyl(methyl)amino]propyl]-10,10a-dihydro-5H-imidazo[1,5-b]isoquinoline-1,3-dione | Ki | 4.5 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_902faa4648be0aec1c5f244465c7a3f0.svg) | ((R)-1-Methyl-2-phenyl-ethyl)-(3-phenyl-propyl)-amine | Ki | 17.0 [1], 21.8 [2], 28.0 [3], 39.0 [4] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_db4ac60c18b24b7bd003d4edf05f0d21.svg) | Naloxone | IC50 | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_db4ac60c18b24b7bd003d4edf05f0d21.svg) | Naloxone | Ki | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_3e94330ba1527a829fecddbee5acde55.svg) | Apomorphine | IC50 | 10000.0 [1], 31000.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_eca8a3b695ef4398f1a927817695eb6c.svg) | Vanoxerine | IC50 | 1.0 [1], 43.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_eca8a3b695ef4398f1a927817695eb6c.svg) | Vanoxerine | Ki | 318.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_788c1f2dad4370c02bcc72589c118966.svg) | Fenpropimorph | Ki | 0.01 [1], 0.08 [2], 17.3 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_a0e6b3628fc42ad1b04edf28cf5bde5a.svg) | [2-(3,4-Dichloro-phenyl)-ethyl]-methyl-(2-pyrrolidin-1-yl-cyclohexyl)-amine | Ki | 1.3 [1], 7.78 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_9941f7cc64e7a100db0c52b10999e261.svg) | (-)-cis-(1S,2R)-U-50488 Tartrate | IC50 | 194.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_9941f7cc64e7a100db0c52b10999e261.svg) | (-)-cis-(1S,2R)-U-50488 Tartrate | Ki | 118.0 [1], 221.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_49e2979c456dcd904dba46f1ddaf7774.svg) | 5-Bromo-N-(4-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)butyl)-2,3-dimethoxybenzamide | Ki | 12900.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_dae8878552987265a66137d65d3bc9c3.svg) | N-(4-(6,7-Dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)butyl)-2-methoxy-5-methylbenzamide | Ki | 3078.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_2651059c9bc6cefa6d2bb1cbeab0a31c.svg) | (1S,13R)-1,13-Dimethyl-10-prop-2-enyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol | Ki | 124.0 [1], 150.0 [2], 169.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_9ee2e47c8b022ae0d6672213d8381d04.svg) | (+)-[2-(3,4-Dichloro-phenyl)-ethyl]-methyl-(2-pyrrolidin-1-yl-cyclohexyl)-amine | Ki | 6.0 [1], 18.68 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_b358c1bb266271e608b309c06f9463de.svg) | ((S)-1-Methyl-2-phenyl-ethyl)-(3-phenyl-propyl)-amine | Ki | 10.8 [1], 22.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_fcd5fff1870eeefc35d258dbf3745a57.svg) | 3-Chloro-6-methylamino-8-phenyl-5,6,7,8-tetrahydro-naphthalen-2-ol | IC50 | 10.47 [1], 21.1 [2], 10000.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_e591a8c32484f1364da1027ed1582362.svg) | (10Ar)-2-[3-[benzyl(methyl)amino]propyl]-10,10a-dihydro-5H-imidazo[1,5-b]isoquinoline-1,3-dione | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_e591a8c32484f1364da1027ed1582362.svg) | (10Ar)-2-[3-[benzyl(methyl)amino]propyl]-10,10a-dihydro-5H-imidazo[1,5-b]isoquinoline-1,3-dione | Ki | 7.1 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_ff07b3638c134a3eacd7851325d66c98.svg) | Unii-G7fms28pyd | IC50 | 285.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_ff07b3638c134a3eacd7851325d66c98.svg) | Unii-G7fms28pyd | Ki | 232.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_bf912dcdbe8f1126e10333b9f0374ca2.svg) | 1,2-Bis(3-methylphenyl)guanidine | IC50 | 43.0 [1], 59.0 [2], 84.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_a703fb9cb1b71fb960ebba1088cb7c87.svg) | Guanidine, N,N'-bis(3-ethylphenyl)- | IC50 | 8.0 [1], 8.3 [2], 30.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_0331066fecb9d95e55f1ebb5859e5a90.svg) | Methyl-((S)-1-methyl-2-phenyl-ethyl)-phenethyl-amine | Ki | 4.8 [1], 6.6 [2], 16.4 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_fcaf50a29d82dc3371c8388215316061.svg) | ((R)-1-Methyl-2-phenyl-ethyl)-phenethyl-amine | Ki | 13.6 [1], 60.0 [2], 61.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_3a531e0f7a387a8f30a14e1b09be6a06.svg) | N,N''-Bis(2-ethylphenyl)guanidine | IC50 | 13.8 [1], 14.0 [2], 44.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_a056569a0053260b2867bfe3e6fbcc2d.svg) | 1,3-Bis(4-bromophenyl)guanidine | IC50 | 33.0 [1], 350.0 [2], 540.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_145c0b82158e25f74bad259ba9edd7e5.svg) | N,N'-Bis(2-methoxyphenyl)guanidine | IC50 | 1990.0 [1], 2200.0 [2], 3800.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_7ec026dfa15438589019ba2d2cc202f0.svg) | (9S,13S)-10-Benzyl-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol | Ki | 0.67 [1], 1710.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_d8168dca5cb6f15be941770cb2d773c9.svg) | (1R,13S)-1,13-Dimethyl-10-pentyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol | Ki | 0.29 [1], 3.8 [2], 10.5 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_efa19befe0afe9b7dbfb2453a8efef45.svg) | 1,2-Bis(2-iodophenyl)guanidine | IC50 | 13.0 [1], 14.0 [2], 16.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_f9de05d1d7dc4a829a94252825ab14ed.svg) | 2,2-Dimethyl-N-[1-(2-piperidin-1-ylethyl)pyrazolo[3,4-d]pyrimidin-4-yl]propanamide | Ki | 51.0 [1], 51.29 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_bc094564cb68e4e572f10bf7146cca9e.svg) | [1-(4-Methoxy-3-phenethyloxy-benzyl)-4-methyl-pentyl]-propyl-amine; hydrochloride | IC50 | 1.8 [1], 200.0 [2], 210.0 [3] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_84be4cdb308fb643cf288980a1c24c41.svg) | Progesterone | Ki | 260.0 [1], 1284.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_629c398a4b53125db843b1930cacf26a.svg) | Morphine | Ki | 10000.0 [1], 100000.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_f28ce47318433f5c984060ce11c4a797.svg) | Tamoxifen | Ki | 8.71 [1], 35.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_693b10fcf0f1bf3ce26f73cb27aee812.svg) | Fluoxetine | IC50 | 851.14 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_693b10fcf0f1bf3ce26f73cb27aee812.svg) | Fluoxetine | Ki | 210.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_8159b09a6bebd9e5751360e57f770ab8.svg) | Clozapine | Ki | 8500.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_81af8877c0a8c32165f86d729092ee41.svg) | Amiodarone | Ki | 1.0 [1], 41.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_7e0d7294cc75e174fcf05f343735bfeb.svg) | Dizocilpine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_f06461c416a6f7f7da1b5185dadc149f.svg) | Sertraline | Ki | 29.3 [1], 57.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_61ac18529dc29ce93ca24de10a3f2090.svg) | Raloxifene | Ki | 38.0 [1], 286.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_6f84775f6accb5daab619b684843e61c.svg) | Sulpiride | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_3cb028e31ae7d8478d6b470183cabec1.svg) | Clomiphene | Ki | 8.0 [1], 12.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_787191644827dd60f4c9cd5d3056d77d.svg) | trans-3,4-Dichloro-N-methyl-N-[2-(1-pyrrolidinyl)cyclohexyl]-benzeneacetamide | Ki | 696.0 [1], 1270.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_c03548f44c098385f9d74e3def74a9a4.svg) | Proadifen | IC50 | 1584.89 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_c03548f44c098385f9d74e3def74a9a4.svg) | Proadifen | Ki | 17.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_f67d9004e24bf13185c0a0543b060ab0.svg) | Astemizole | Ki | 944.0 [1], 1258.93 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_99243ad70f3782906d99e25d725ca7ff.svg) | Clemastine | Ki | 10.0 [1], 14.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_55aac7fb09db7177d958416922f9a0a4.svg) | 2,6-Methano-3-benzazocin-8-ol, 1,2,3,4,5,6-hexahydro-3-allyl-6,11-dimethyl- | Ki | 59.7 [1], 429.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_022d18015131ddb84ef48bb75bdce4de.svg) | 3-(1-Propyl-3-piperidinyl)phenol | IC50 | 76.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_022d18015131ddb84ef48bb75bdce4de.svg) | 3-(1-Propyl-3-piperidinyl)phenol | Ki | 78.5 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_4ecafb20137d21640b0e714d39799d55.svg) | Buflomedil | Ki | 912.2 [1], 1290.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_0cb7086605b06491c78a375cafc18191.svg) | Tenocyclidine | IC50 | 1100.0 [1], 2060.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_028a474a62e0ef561a5c44444f501802.svg) | (-)-Vesamicol | Ki | 26.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_33a476f0c007519cc8b34727718e0e26.svg) | 1-[2-(Diphenylmethoxy)ethyl]-4-(3-phenylpropyl)piperazine | IC50 | 17.0 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_fafadbfe1141d9ece106cf60321d77d6.svg) | Caramiphen | Ki | 15.5 [1], 26.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_8e661b3d10e8a5bf9913295b1b62ff2f.svg) | NE 100 hydrochloride | IC50 | 1.3 [1], 85.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_f434b1cc9cb1e691c65825dc583e55dc.svg) | Polyhexamethyleneguanidine | IC50 | 750.0 [1], 800.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_3b6bde97f49a16b1840f187c8be843b4.svg) | 1-[2-(3,4-Dichlorophenyl)ethyl]-4-methylpiperazine | Ki | 6.3 [1], 9.2 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_0088749f852377cd7de08f61e24e4089.svg) | Reduced haloperidol | Ki | 14.34 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_2bc31888d52ac352e6c695ffa672739e.svg) | Aptiganel | IC50 | 2535.0 [1], 2540.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_8125873688d6e5638c990d81bc127a0c.svg) | 4-Phenyl-1-(4-phenylbutyl)piperidine | Ki | 0.8 [1], 1.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_25f5e25b0dad5fba18d7a0a972a7ad5f.svg) | Naluzotan | Ki | 100.0 [1], 2000.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_d07a6d51c35d46c6b931b6c80fd1a25e.svg) | 1'-Benzyl-1-methoxyspiro[1H-2-benzofuran-3,4'-piperidine] | Ki | 1.14 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_2888b6a03e1e50efc0fbe66096d1e48c.svg) | 1'-Benzyl-3-methoxyspiro[isochroman-1,4'-piperidine] | Ki | 1.29 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_4b5ddf3c06138e7fa80a7e847c2683d9.svg) | 1,4-Dibenzylpiperazine | Ki | 5.81 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_7e16c939b5ffec641ad2e67a9db5b30d.svg) | sigma-LIGAND-1 | IC50 | 36.0 [1], 43.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_6494fc22338e04e3f16d9015c5bf579d.svg) | 13-Methyl-10-prop-2-enyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol | Ki | 3600.0 [1], 4300.0 [2] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_c12bf21bc9d36a07124c9e2fd8906e65.svg) | 1-Benzyl-4-(4-methoxybenzyl)piperazine | Ki | 0.47 [1] |
![](https://images.aatbio.com/dataset/ic50/sigma-opioid-receptor_8301861dcd876019c58b65d4f73a200c.svg) | Spipethiane | Ki | 0.5 [1], 0.59 [2] |