![1-[(cyclopropylamino)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/252364.gif)
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![1-(imidazol-1-ylmethyl)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/223217.gif)
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![4-phenyl-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/44118.gif)
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![1-[(1H-tetrazol-5-ylthio)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/34239.gif)
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![1-(1,2,4-oxadiazol-3-ylmethylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/29827.gif)
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![1-(1,2,4-oxadiazol-5-ylmethylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/104617.gif)
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![1-(1,3,4-thiadiazol-2-ylmethylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/203813.gif)
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![1-[(1,3,4-thiadiazol-2-ylthio)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/615906.gif)
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![1-[(4H-1,2,4-triazol-3-ylthio)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/175897.gif)
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![1-(isoxazol-4-ylmethylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/330925.gif)
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![1-(oxazol-2-ylmethylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/203567.gif)
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![1-[(thiazol-2-ylthio)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/34936.gif)
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![1-(2-furfurylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/116963.gif)
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![1-(3-furfurylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/103743.gif)
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![1-(piperazinomethyl)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/146089.gif)
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![1-(piperidinomethyl)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/24483.gif)
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![1-[(cyclopentylamino)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/34073.gif)
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![1-[(cyclopentylthio)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/614361.gif)
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![4-benzyl-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/45487.gif)
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![3-[(5-keto-4H-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)methyl]hydantoin](http://zinc12.docking.org/img/rings/463237.gif)
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![1-(2-pyrazol-1-ylethylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/204196.gif)
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![1-[(6-ketopyridazin-1-yl)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/587785.gif)
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![1-[(pyridazin-3-ylthio)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/616129.gif)
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![N-cyclopropyl-2-[(5-keto-4H-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)thio]acetamide](http://zinc12.docking.org/img/rings/100907.gif)
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![1-(1,4-diazepan-1-ylmethyl)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/270820.gif)
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![1-(4-pyridylmethylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/613427.gif)
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![1-[(2-furfurylamino)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/267617.gif)
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![1-[(2-thenylamino)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/122175.gif)
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![1-[(3-pyridylamino)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/440510.gif)
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![1-(anilinomethyl)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/29545.gif)
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![1-(benzylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/143392.gif)
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![1-(cyclohexylmethylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/381547.gif)
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![1-(phenoxymethyl)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/103316.gif)
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![1-[(cyclohexylamino)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/257320.gif)
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![1-[(phenylthio)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/41584.gif)
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![Isoxazole-5-carboxylic Acid (5-keto-4H-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)methyl Ester](http://zinc12.docking.org/img/rings/42432.gif)
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![1H-pyrrole-2-carboxylic Acid (5-keto-4H-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)methyl Ester](http://zinc12.docking.org/img/rings/215290.gif)
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![N-(cyclopropylmethyl)-2-[(5-keto-4H-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)thio]acetamide](http://zinc12.docking.org/img/rings/436171.gif)
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![Pyrrolidine-1-carbodithioic Acid (5-keto-4H-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)methyl Ester](http://zinc12.docking.org/img/rings/615921.gif)
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![1-(phenethylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/616049.gif)
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![1-[(benzylamino)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/33848.gif)
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![1-[(benzylthio)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/177141.gif)
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![1-[(cyclohexylmethylamino)methyl]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/201330.gif)
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![2-[(5-keto-4H-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)thio]-N-thiazolidin-2-ylidene-acetamide](http://zinc12.docking.org/img/rings/177366.gif)
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![1-[(2-keto-2-morpholino-ethyl)thio]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/40077.gif)
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![1-[(2-keto-2-piperidino-ethyl)thio]-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/116954.gif)
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![N-cyclopentyl-2-[(5-keto-4H-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)thio]acetamide](http://zinc12.docking.org/img/rings/100919.gif)
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![N-[(5-keto-4H-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)methoxy]cyclopentanecarboxamide](http://zinc12.docking.org/img/rings/524468.gif)
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![1-(2-phenoxyethylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/146720.gif)
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![1-(phenacylthio)-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one](http://zinc12.docking.org/img/rings/132386.gif)
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