![5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/361043.gif)
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![6-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/396962.gif)
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![2-[2-(2-furyl)-2-keto-ethyl]-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/361033.gif)
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![2-(anilinomethyl)-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/2347.gif)
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![4-keto-N-phenyl-6H-thieno[2,3-d]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/348805.gif)
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![2-[[(2-keto-3,4-dihydro-1H-pyrimidin-6-yl)methylthio]methyl]-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/601665.gif)
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![N-(2-furfuryl)-2-(4-keto-6H-thieno[2,3-d]pyrimidin-2-yl)acetamide](http://zinc12.docking.org/img/rings/361030.gif)
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![2-[(4-keto-6H-thieno[2,3-d]pyrimidin-2-yl)thio]-N-phenyl-acetamide](http://zinc12.docking.org/img/rings/600814.gif)
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![2-[(phenacylthio)methyl]-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/597742.gif)
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![4-keto-N-phenethyl-6H-thieno[2,3-d]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/348812.gif)
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![2-piperonyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/361073.gif)
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![N-(1,3-benzothiazol-2-yl)-4-keto-6H-thieno[2,3-d]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/348807.gif)
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![3-[2-(4-keto-6H-thieno[2,3-d]pyrimidin-2-yl)ethyl]-1,3-diazaspiro[4.5]decane-2,4-quinone](http://zinc12.docking.org/img/rings/361051.gif)
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![N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-[(4-keto-6H-thieno[2,3-d]pyrimidin-2-yl)thio]acetamide](http://zinc12.docking.org/img/rings/599471.gif)
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![N-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)-2-[(4-keto-6H-thieno[2,3-d]pyrimidin-2-yl)thio]acetamide](http://zinc12.docking.org/img/rings/597763.gif)
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![2-[[2-(3-thienyl)pyrrolidino]methyl]-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/360318.gif)
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![5-cyclopropyl-2-[2-(2-ketopyrrolidino)ethyl]-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/361054.gif)
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![2-(piperazinomethyl)-5-(2-thienyl)-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/600854.gif)
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![2-[(2,3-dihydro-1,3,4-thiadiazol-5-ylthio)methyl]-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/602096.gif)
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![2-[(4,5-dihydro-1H-1,2,4-triazol-3-ylthio)methyl]-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/597816.gif)
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![N-cyclopropyl-4-(4-keto-6H-thieno[2,3-d]pyrimidin-2-yl)benzenesulfonamide](http://zinc12.docking.org/img/rings/359440.gif)
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![2-[(1-benzylimidazol-2-yl)methyl]-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/361034.gif)
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![5-(2-furyl)-2-[(phenylthio)methyl]-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/601653.gif)
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![6-(4-phenylpiperazine-1-carbonyl)-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/348806.gif)
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![2-(benzylthio)-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/597744.gif)
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![2-[[2-keto-2-(3-phenyl-2-pyrazolin-1-yl)ethyl]thio]-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/600828.gif)
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![2-[[2-keto-2-(2H-pyrrol-4-yl)ethyl]thio]-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/600020.gif)
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![2-[[2-keto-2-(2H-pyrrol-5-yl)ethyl]thio]-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/599708.gif)
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![Thiophene-2-carboxylic Acid (4-keto-5-phenyl-6H-thieno[2,3-d]pyrimidin-2-yl)methyl Ester](http://zinc12.docking.org/img/rings/597805.gif)
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![2-[(benzylamino)methyl]-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/1161.gif)
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![2-benzyl-4-keto-N-(tetrahydrofurfuryl)-6H-thieno[2,3-d]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/600860.gif)
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![2-[(2-keto-2-piperidino-ethyl)thio]-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/599680.gif)
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![N-(2-furfuryl)-2-(4-keto-5-phenyl-6H-thieno[2,3-d]pyrimidin-2-yl)acetamide](http://zinc12.docking.org/img/rings/361039.gif)
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![2-[(4-keto-5-phenyl-6H-thieno[2,3-d]pyrimidin-2-yl)methylamino]-N-phenyl-acetamide](http://zinc12.docking.org/img/rings/1124.gif)
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![N-benzyl-2-[(4-keto-5-phenyl-6H-thieno[2,3-d]pyrimidin-2-yl)thio]acetamide](http://zinc12.docking.org/img/rings/599460.gif)
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![2-[(4-keto-6H-thieno[2,3-d]pyrimidin-2-yl)methylthio]-N-[2-morpholino-2-(2-thienyl)ethyl]acetamide](http://zinc12.docking.org/img/rings/600861.gif)
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![2-[(4-keto-5-phenyl-6H-thieno[2,3-d]pyrimidin-2-yl)thio]-N-phenethyl-acetamide](http://zinc12.docking.org/img/rings/599402.gif)
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![2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-ylmethyl)-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/1809.gif)
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![2-[(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)methyl]-6-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/1815.gif)
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![2-[(2-indolin-1-yl-2-keto-ethyl)thio]-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/600819.gif)
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![2-[(4-keto-5-phenyl-6H-thieno[2,3-d]pyrimidin-2-yl)thio]-N-piperonyl-acetamide](http://zinc12.docking.org/img/rings/599495.gif)
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![2-[[[2-(cyclopropylamino)-2,3-dihydro-1,3,4-thiadiazol-5-yl]thio]methyl]-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/2437.gif)
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![2-[(4-phenylpiperazino)methyl]-5-(2-thienyl)-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/2432.gif)
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![5-(2,3-dihydrothiophen-5-yl)-2-[[[1-[2-(2-thienyl)ethyl]tetrazol-5-yl]thio]methyl]-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/600113.gif)
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![2-[(4-benzylpiperazino)methyl]-5-phenyl-6H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/2251.gif)
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![N-cyclohexyl-4-[[4-keto-5-(2-thienyl)-6H-thieno[2,3-d]pyrimidin-2-yl]methyl]piperazine-1-carboxamide](http://zinc12.docking.org/img/rings/600834.gif)
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![N-[1-[(4-keto-6-phenyl-6H-thieno[2,3-d]pyrimidin-2-yl)methyl]-4-piperidyl]-3-pyrazoline-4-carboxamide](http://zinc12.docking.org/img/rings/360398.gif)
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![N-benzyl-4-[[4-keto-5-(2-thienyl)-6H-thieno[2,3-d]pyrimidin-2-yl]methyl]piperazine-1-carboxamide](http://zinc12.docking.org/img/rings/599173.gif)
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