![2-[(cyclopropylmethylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/461485.gif)
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![2-(morpholinomethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/365493.gif)
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![2-(piperazinomethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/371829.gif)
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![2-(piperidinomethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/299023.gif)
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![2-[(thiazol-5-ylmethylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/522349.gif)
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![2-(1,4-diazepan-1-ylmethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/167790.gif)
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![2-[(2-furfurylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/396390.gif)
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![2-[(2-thenylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372998.gif)
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![2-[(cyclohexylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372637.gif)
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![2-[[(1,1-diketothiolan-3-yl)amino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372396.gif)
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![2-[(benzylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/167414.gif)
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![2-[(cyclohexylmethylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372598.gif)
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![N-isoxazol-3-yl-3-(3-keto-6,7-dihydro-5H-cyclopenta[c]pyridazin-2-yl)propionamide](http://zinc12.docking.org/img/rings/185179.gif)
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![2-(2-besylethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/351861.gif)
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![2-[(2-phenoxyethylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/299077.gif)
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![3-(3-keto-6,7-dihydro-5H-cyclopenta[c]pyridazin-2-yl)-N-phenyl-propionamide](http://zinc12.docking.org/img/rings/297777.gif)
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![2-[(3-phenylpropylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/373087.gif)
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![N-(cyclohexylmethyl)-3-(3-keto-6,7-dihydro-5H-cyclopenta[c]pyridazin-2-yl)propionamide](http://zinc12.docking.org/img/rings/394909.gif)
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![N-(benzylcarbamoyl)-3-(3-keto-6,7-dihydro-5H-cyclopenta[c]pyridazin-2-yl)propionamide](http://zinc12.docking.org/img/rings/367779.gif)
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![2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-ylmethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372113.gif)
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![2-(indolin-1-ylmethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372722.gif)
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![2-(2,3,4a,5,6,7,8,8a-octahydrobenzo[b][1,4]oxazin-4-ylmethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372921.gif)
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![2-(3,4,4a,5,6,7,8,8a-octahydro-2H-quinolin-1-ylmethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/371831.gif)
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![2-(3,4-dihydro-2H-quinolin-1-ylmethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/188764.gif)
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![2-[(indan-1-ylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372472.gif)
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![2-[(1,3-benzothiazol-2-ylmethylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/371992.gif)
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![2-(3,5-dihydro-2H-1,4-benzoxazepin-4-ylmethyl)-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/373025.gif)
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![2-[(benzofuran-3-ylmethylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372152.gif)
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![2-[(tetralin-2-ylamino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/373119.gif)
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![2-[(2-isoxazol-5-ylpyrrolidino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372845.gif)
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![2-[[2-(2-thienyl)pyrrolidino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/371832.gif)
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![2-[[2-(3-thienyl)pyrrolidino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372834.gif)
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![2-[(2-cyclopentylpyrrolidino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/373078.gif)
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![2-[(4-cyclopentylpiperazino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372643.gif)
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![2-[(4-pyrrol-1-ylpiperidino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/188894.gif)
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![2-[[2-(2-pyridyl)pyrrolidino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/373106.gif)
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![2-[(2-cyclohexylpyrrolidino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372991.gif)
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![2-[(2-phenylpyrrolidino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/168167.gif)
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![2-[[(1-phenylcyclobutyl)amino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/166945.gif)
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![2-[[benzyl(cyclopropyl)amino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/187653.gif)
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![2-[[cyclohexyl(cyclopropylmethyl)amino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/167681.gif)
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![2-[[4-(2-pyridyl)piperazino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372948.gif)
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![2-[(2-phenylmorpholino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372606.gif)
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![2-[(2-phenylpiperazino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372875.gif)
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![2-[(4-phenylpiperazino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372789.gif)
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![2-[(2-benzylpyrrolidino)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/188785.gif)
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![2-[(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/371792.gif)
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![2-[[benzyl(cyclopropylmethyl)amino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/372806.gif)
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![2-[[4-(3-furoyl)piperazino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/365420.gif)
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![2-[[3-(morpholinomethyl)piperidino]methyl]-6,7-dihydro-5H-cyclopenta[c]pyridazin-3-one](http://zinc12.docking.org/img/rings/461144.gif)
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