| Papaverine | IC50 | 284.0 [1], 917.0 [2] |
| Papaverine | Ki | 279.0 [1] |
| Milrinone | IC50 | 440.0 [1], 3600.0 [2], 11400.0 [3] |
| 3-[7-Methoxy-2-(trifluoromethyl)pyrazolo[1,5-a]pyridin-4-yl]-4-methyl-4,5-dihydro-1H-pyridazin-6-one | IC50 | 360.0 [1], 2380.0 [2] |
| Vesnarinone | IC50 | 10700.0 [1], 11210.0 [2] |
| Cilostamide | IC50 | 16.0 [1], 18.1 [2] |
| 6,7-Dimethoxy-4-[(3R)-3-(quinoxalin-2-yloxy)pyrrolidin-1-yl]quinazoline | Ki | 211.0 [1] |
| 2-Methoxy-6,7-dimethyl-9-propylimidazo[1,5-a]pyrido[3,2-e]pyrazine | IC50 | 3700.0 [1], 5000.0 [2] |
| 2-Amino-4-(3-benzyl-2-ethylsulfanylimidazol-4-yl)-6-(4-bromophenyl)pyridine-3-carbonitrile | IC50 | 3.76 [1] |
| 6,7-Dimethoxy-4-[(3r)-3-(2-Naphthyloxy)pyrrolidin-1-Yl]quinazoline | Ki | 283.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-[2-(trifluoromethyl)phenoxy]pyrrolidin-1-yl]quinazoline | Ki | 100.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-(2-methoxyphenoxy)pyrrolidin-1-yl]quinazoline | Ki | 100.0 [1] |
| 2-{[(3R)-1-(6,7-Dimethoxyquinazolin-4-yl)pyrrolidin-3-yl]oxy}benzonitrile | Ki | 100.0 [1] |
| 4-[(3R)-3-(4-Ethoxyphenoxy)pyrrolidin-1-yl]-6,7-dimethoxyquinazoline | Ki | 161.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-(3-phenylphenoxy)pyrrolidin-1-yl]quinazoline | Ki | 271.0 [1] |
| (R)-4-[3-(Indan-5-yloxy)-pyrrolidin-1-yl]-6,7-dimethoxy-quinazoline | Ki | 141.0 [1] |
| (R)-4-[3-(5-Chloro-pyrimidin-2-yloxy)-pyrrolidin-1-yl]-6,7-dimethoxy-quinazoline | Ki | 162.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-(pyridin-2-yloxy)pyrrolidin-1-yl]quinazoline | Ki | 77.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-(pyridin-4-yloxy)pyrrolidin-1-yl]quinazoline | Ki | 226.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-(naphthalen-1-yloxy)pyrrolidin-1-yl]quinazoline | Ki | 48.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-[(7-methoxynaphthalen-2-yl)oxy]pyrrolidin-1-yl]quinazoline | Ki | 273.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-[(2-methylquinolin-6-yl)oxy]pyrrolidin-1-yl]quinazoline | Ki | 152.0 [1] |
| 4-[(3R)-3-(Isoquinolin-3-yloxy)pyrrolidin-1-yl]-6,7-dimethoxyquinazoline | Ki | 151.0 [1] |
| (R)-6,7-Dimethoxy-4-(3-o-tolyloxy-pyrrolidin-1-yl)-quinazoline | Ki | 100.0 [1] |
| 4-[(3R)-3-(2-Chlorophenoxy)pyrrolidin-1-yl]-6,7-dimethoxyquinazoline | Ki | 100.0 [1] |
| 4-{[(3R)-1-(6,7-Dimethoxyquinazolin-4-yl)pyrrolidin-3-yl]oxy}benzonitrile | Ki | 214.0 [1] |
| 4-[(3R)-3-(4-Tert-butylphenoxy)pyrrolidin-1-yl]-6,7-dimethoxyquinazoline | Ki | 720.0 [1] |
| 4-[(3R)-3-(3-Ethoxyphenoxy)pyrrolidin-1-yl]-6,7-dimethoxyquinazoline | Ki | 61.0 [1] |
| 4-[(3R)-3-(3,4-Dimethoxyphenoxy)pyrrolidin-1-yl]-6,7-dimethoxyquinazoline | Ki | 121.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-(pyridin-3-yloxy)pyrrolidin-1-yl]quinazoline | Ki | 302.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-[(6-methoxynaphthalen-2-yl)oxy]pyrrolidin-1-yl]quinazoline | Ki | 199.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-(quinolin-6-yloxy)pyrrolidin-1-yl]quinazoline | Ki | 104.0 [1] |
| 6,7-Dimethoxy-4-[(3R)-3-(quinolin-7-yloxy)pyrrolidin-1-yl]quinazoline | Ki | 209.0 [1] |
| 5-(3-(Cyclopentyloxy)-4-methoxybenzylidene)-2-thioxothiazolidin-4-one | IC50 | 10830.0 [1] |
| 2-Amino-4-(4-ethoxyphenyl)-6-thiophen-3-ylpyridine-3-carbonitrile | IC50 | 13300.0 [1], 13500.0 [2] |
| Chembl4127641 | IC50 | 101000.0 [1], 369000.0 [2] |
| Sildenafil | IC50 | 26000.0 [1] |
| 3-Isobutyl-1-methylxanthine | IC50 | 7000.0 [1] |
| Roflumilast | IC50 | 100000.0 [1] |
| Ibudilast | IC50 | 299000.0 [1] |
| 2-(4-(1-(Quinolin-6-ylmethyl)-1H-[1,2,3]triazolo[4,5-b]pyrazin-6-yl)-1H-pyrazol-1-yl)ethanol | IC50 | 10000.0 [1] |
| (R)-N-Acetyl-6-(4-aminophenyl)-4,5-dihydro-5-methyl-3(2H)-pyridazinone | IC50 | 96.0 [1] |
| 6-Chloro-5-(4-(1-hydroxycyclobutyl)phenyl)-1H-indole-3-carboxylic acid | IC50 | 14000.0 [1] |
| PF-04447943 | IC50 | 10000.0 [1] |
| 8-[(4-Chlorophenyl)methyl]-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 10000.0 [1] |
| 4-(4-((8-(3-(Difluoromethoxy)phenyl)quinolin-6-yl)methoxy)phenyl)-2-methylbutan-2-ol | IC50 | 29000.0 [1] |
| 3-(2,5-Dimethoxyphenyl)-6-(3,4-dimethoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine | IC50 | 1700.0 [1] |
| 6-{(1S)-1-[6-(1-Methyl-1H-pyrazol-4-yl)[1,2,4]triazolo[4,3-b]pyridazin-3-yl]ethyl}quinoline | IC50 | 3530.0 [1] |
| 3-[4-(2-Hydroxyethyl)piperazin-1-yl]-7-(6-methoxypyridin-3-yl)-1-(2-propoxyethyl)pyrido[3,4-b]pyrazin-2-one | IC50 | 2000.0 [1] |
| 5-(4-Ethoxy-3-methoxybenzylidene)-2-thioxo-1,3-thiazolidin-4-one | IC50 | 9460.0 [1] |
| Unii-7eis09YY11 | IC50 | 30000.0 [1] |
| (3S)-3-(7-Methoxy-1-methylbenzotriazol-5-yl)-3-[4-methyl-3-[[(4R)-4-methyl-1,1-dioxo-3,4-dihydro-5,1lambda6,2-benzoxathiazepin-2-yl]methyl]phenyl]propanoic acid | IC50 | 10000.0 [1] |
| 3-[(4-Hydroxycyclohexyl)amino]-7-(6-methoxypyridin-3-yl)-1-(2-propoxyethyl)pyrido[3,4-b]pyrazin-2-one | IC50 | 2000.0 [1] |
| 7-(6-Methoxypyridin-3-yl)-3-(2-morpholin-4-ylethylamino)-1-(2-propoxyethyl)pyrido[3,4-b]pyrazin-2-one | IC50 | 2000.0 [1] |
| CID 46239428 | Ki | 10000.0 [1] |
| 5-(1h-Benzimidazol-2-Ylmethylsulfanyl)-2-Methyl-[1,2,4]triazolo[1,5-C]quinazoline | IC50 | 10000.0 [1] |
| 6-(3,4-Dimethoxyphenyl)-3-(2-methoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine | IC50 | 50000.0 [1] |
| 4-[[1-(2-Chlorophenyl)-4-methyl-[1,2,4]triazolo[4,3-a]quinoxalin-8-yl]methyl]morpholine | IC50 | 7760.0 [1] |
| N-[(1S)-1-[3-Fluoro-4-(trifluoromethoxy)phenyl]-2-methoxyethyl]-7-methoxy-2-oxo-1,3-dihydropyrido[2,3-b]pyrazine-4-carboxamide | IC50 | 30000.0 [1] |
| 1-Cyclopentyl-6-[(3S,4S)-4-methyl-1-(quinoxalin-6-ylmethyl)pyrrolidin-3-yl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 1000.0 [1] |
| trans CM-414 | IC50 | 1800.0 [1] |
| 5-[[4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]methyl]-N-hydroxythiophene-2-carboxamide | IC50 | 3200.0 [1] |
| N-(12-Methoxy-5-methyl-3-propyl-2,4,8,13-tetrazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,10,12-hexaen-7-yl)methanesulfonamide | IC50 | 1260.0 [1] |
| 3-[8-Methoxy-2-(trifluoromethyl)imidazo[1,2-a]pyridin-5-yl]-4,4-dimethyl-1H-pyrazol-5-one | IC50 | 140.0 [1] |
| 2-Amino-6-(4-bromophenyl)-4-(2-ethoxyphenyl)pyridine-3-carbonitrile | IC50 | 27000.0 [1] |
| 6,8-Dimethoxy-3,4-dimethyl-1-(3-methylpyridin-4-yl)imidazo[1,5-a]quinoxaline | IC50 | 10000.0 [1] |
| 6-Methoxy-3,8-Dimethyl-4-(Morpholin-4-Ylmethyl)-1h-Pyrazolo[3,4-B]quinoline | Ki | 10000.0 [1] |
| [1-[3-[4-(1,3-Benzothiazol-2-ylamino)phenoxy]pyrazin-2-yl]piperidin-4-yl]methanol | IC50 | 30000.0 [1] |
| 4-[5-(8,9-Dimethoxy-5,6-dihydroimidazo[5,1-a]isoquinolin-1-yl)-1,3-thiazol-2-yl]morpholine | Ki | 177.0 [1] |
| 2,9-Dimethyl-5-(2-(1-methyl-4-phenyl-1H-imidazol-2-yl)ethyl)pyrazolo[1,5-c]quinazoline | IC50 | 10000.0 [1] |
| (3,4,5-Trimethoxyphenyl)methyl 5-phenylfuran-2-carboxylate | IC50 | 54600.0 [1] |
| [1-(3-{[1-(Quinolin-2-Yl)azetidin-3-Yl]oxy}pyrazin-2-Yl)piperidin-4-Yl]methanol | IC50 | 30000.0 [1] |
| 1-Methyl-3-(4-methylpyridin-3-yl)-6-(pyridin-2-ylmethoxy)pyrazolo[3,4-b]pyrazine | IC50 | 10000.0 [1] |
| CID 73211886 | IC50 | 15000.0 [1] |
| 5-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]-2-fluorobenzoic acid | IC50 | 16980.0 [1] |
| 8-Chloro-5-[3-(dimethylamino)-2-hydroxypropoxy]spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one | IC50 | 101000.0 [1] |
| 8-Chloro-6-pyridin-3-ylspiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one | IC50 | 14800.0 [1] |
| 8-Chloro-6-[3-(4-methylpiperazine-1-carbonyl)phenyl]spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one | IC50 | 31600.0 [1] |
| 5-[(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-5-yl)oxymethyl]furan-2-carboxylic acid | IC50 | 10800.0 [1] |
| 5-Methyl-6-(2-isopropylpyrazolo[1,5-a]pyridine-3-yl)-4,5-dihydropyridazine-3(2H)-one | IC50 | 89000.0 [1] |
| 3-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-5-yl)oxypropane-1-sulfonic acid | IC50 | 12700.0 [1] |
| 8-Chloro-6-pyridin-2-ylspiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one | IC50 | 45100.0 [1] |
| 8-Chloro-6-pyridin-4-ylspiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one | IC50 | 11200.0 [1] |
| 2-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]-3-methylbenzoic acid | IC50 | 20540.0 [1] |
| 2-[2-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-5-yl)oxyethylamino]acetic acid | IC50 | 101000.0 [1] |
| 3-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-6-yl)benzoic acid | IC50 | 16700.0 [1] |
| (4R)-3-[4-[(2-Benzyl-3-oxocyclohexen-1-yl)amino]phenyl]-4-methyl-4,5-dihydro-1H-pyridazin-6-one | IC50 | 1.3 [1] |
| (R)-6-(2-Isopropylpyrazolo[1,5-a]pyridin-3-yl)-5-methyl-4,5-dihydropyridazin-3(2H)-one | IC50 | 3800.0 [1] |
| 3-[[2-[4-(4,4-Dimethyl-5-oxo-1H-pyrazol-3-yl)-2,3-difluoroanilino]-6-oxocyclohexen-1-yl]methyl]benzonitrile | IC50 | 7.6 [1] |
| 3-[2-Fluoro-4-[[2-[(3-nitrophenyl)methyl]-3-oxocyclohexen-1-yl]amino]phenyl]-4,4-dimethyl-1H-pyrazol-5-one | IC50 | 150.0 [1] |
| 7-Methoxy-4-(3-phenylpiperidin-1-yl)-6-propoxyquinazoline | IC50 | 98.0 [1] |
| 6,7-Dimethoxy-4-(3-phenylpiperidin-1-yl)quinazoline | IC50 | 8.5 [1] |
| 3-{4-[(2-Benzyl-3-oxocyclohex-1-en-1-yl)amino]phenyl}-4,4-dimethyl-4,5-dihydro-1H-pyrazol-5-one | IC50 | 53.0 [1] |
| 3-[4-[(2-Benzyl-3-oxocyclohexen-1-yl)amino]-2-fluorophenyl]-4-methyl-4,5-dihydro-1H-pyridazin-6-one | IC50 | 1.6 [1] |
| 4-Methoxy-2-[4-(1-methyl-4-pyridin-4-yl-1H-pyrazol-3-yl)-phenoxymethyl]-quinoline | IC50 | 27500.0 [1] |
| 3-[4-[[2-[(2,6-Dichlorophenyl)methyl]-3-oxocyclohexen-1-yl]amino]-2-fluorophenyl]-4,4-dimethyl-1H-pyrazol-5-one | IC50 | 2.2 [1] |
| 6-Fluoro-2-[[4-(1-methyl-4-pyridin-4-ylpyrazol-3-yl)phenoxy]methyl]quinoline | IC50 | 38500.0 [1] |
| (3-Bromo-4-fluorophenyl)-[(5S)-3,3-difluoro-5-(5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)piperidin-1-yl]methanone | IC50 | 10000.0 [1] |
| Methyl 3-[3-ethyl-2-[(3-fluoropyridin-4-yl)amino]-4-oxothieno[3,2-d]pyrimidin-7-yl]piperidine-1-carboxylate | IC50 | 29.0 [1] |
| 3-Ethyl-2-[(3-fluoropyridin-4-yl)amino]-7-[1-(3-hydroxy-2,2-dimethylpropanoyl)piperidin-3-yl]thieno[3,2-d]pyrimidin-4-one | IC50 | 37.0 [1] |