![3-(2-pyridylmethyleneamino)thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/222243.gif)
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![4-keto-3H-thieno[2,3-d]pyrimidine-6-carboxylic Acid Cyclopentyl Ester](http://zinc12.docking.org/img/rings/386786.gif)
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![6-(piperidine-1-carbonyl)-3H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/424479.gif)
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![2-[(cyclopentylmethylamino)methyl]-3H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/322295.gif)
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![2-[(phenylthio)methyl]-3H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/135763.gif)
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![2-(4-ketothieno[2,3-d]pyrimidin-3-yl)-N-(1,3,4-thiadiazol-2-yl)acetamide](http://zinc12.docking.org/img/rings/28182.gif)
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![4-keto-N-(1H-1,2,4-triazol-3-ylmethyl)-3H-thieno[2,3-d]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/584874.gif)
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![6-[(4-keto-3H-thieno[2,3-d]pyrimidin-2-yl)thio]uracil](http://zinc12.docking.org/img/rings/243067.gif)
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![2-(4-keto-3H-thieno[2,3-d]pyrimidin-2-yl)-N-thiazol-2-yl-acetamide](http://zinc12.docking.org/img/rings/419032.gif)
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![2-(4-ketothieno[2,3-d]pyrimidin-3-yl)-N-(1H-pyrazol-3-yl)acetamide](http://zinc12.docking.org/img/rings/507252.gif)
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![2-(4-ketothieno[2,3-d]pyrimidin-3-yl)-N-(1H-pyrazol-5-yl)acetamide](http://zinc12.docking.org/img/rings/91979.gif)
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![2-(4-ketothieno[2,3-d]pyrimidin-3-yl)-N-(2-thiazolin-2-yl)acetamide](http://zinc12.docking.org/img/rings/350468.gif)
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![2-(4-ketothieno[2,3-d]pyrimidin-3-yl)-N-thiazol-2-yl-acetamide](http://zinc12.docking.org/img/rings/28158.gif)
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![2-isoxazol-4-yl-N-(4-ketothieno[2,3-d]pyrimidin-3-yl)acetamide](http://zinc12.docking.org/img/rings/190007.gif)
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![4-keto-N-(1H-pyrazol-5-ylmethyl)-3H-thieno[2,3-d]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/426005.gif)
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![N-(4-ketothieno[2,3-d]pyrimidin-3-yl)-2-(1H-pyrazol-4-yl)acetamide](http://zinc12.docking.org/img/rings/456116.gif)
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![N-(4-ketothieno[2,3-d]pyrimidin-3-yl)-2-pyrazol-1-yl-acetamide](http://zinc12.docking.org/img/rings/233874.gif)
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![N-(4-ketothieno[2,3-d]pyrimidin-3-yl)pyrimidine-4-carboxamide](http://zinc12.docking.org/img/rings/422578.gif)
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![N-(isoxazol-3-ylmethyl)-4-keto-3H-thieno[2,3-d]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/535946.gif)
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![Thiazole-4-carboxylic Acid (4-keto-3H-thieno[2,3-d]pyrimidin-2-yl)methyl Ester](http://zinc12.docking.org/img/rings/237632.gif)
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![2-(2-keto-2-morpholino-ethyl)-3H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/511035.gif)
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![2-(3-keto-3-thiazolidin-3-yl-propyl)-3H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/313379.gif)
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![2-(4-ketothieno[2,3-d]pyrimidin-3-yl)-N-(2-thienyl)acetamide](http://zinc12.docking.org/img/rings/29785.gif)
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![2-[(2-pyrazol-1-ylethylamino)methyl]-3H-thieno[2,3-d]pyrimidin-4-one](http://zinc12.docking.org/img/rings/378210.gif)
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