![2-(tetrahydrofuryl)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/581325.gif)
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![2-piperidino-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/90339.gif)
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![7-[(cyclopropylmethylamino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/32171.gif)
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![2-(piperidinomethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/110464.gif)
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![2-phenoxy-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/437517.gif)
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![7-(piperidinomethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/110046.gif)
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![7-[(cyclopentylamino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/571131.gif)
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![1-cyclopropyl-2-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)methyl]isothiourea](http://zinc12.docking.org/img/rings/116181.gif)
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![2-[(4-pyridylthio)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/545460.gif)
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![7-(1,4-diazepan-1-ylmethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/270816.gif)
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![7-[(2-furfurylamino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/267630.gif)
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![7-[(3-pyridylthio)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/545823.gif)
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![2-(benzylamino)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/178065.gif)
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![2-(cyclohexylmethylamino)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/488507.gif)
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![2-[(phenylthio)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/544079.gif)
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![7-(anilinomethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/29808.gif)
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![7-(phenoxymethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/547508.gif)
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![7-[(cyclohexylamino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/448412.gif)
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![7-[(phenylthio)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/126090.gif)
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![2-(cyclooctylamino)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/238040.gif)
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![2-(phenethylamino)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/239542.gif)
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![7-[(benzylamino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/29405.gif)
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![7-[(cyclohexylmethylamino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/201303.gif)
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![2-[4-(1,3-dioxolan-2-yl)butylamino]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/485279.gif)
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![7-[(phenethylamino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/162643.gif)
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![2-[3-(cyclohexylamino)propylamino]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/181210.gif)
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![7-[(3-phenylpropylamino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/448228.gif)
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![2-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-2-yl)methylamino]-N-phenyl-acetamide](http://zinc12.docking.org/img/rings/135308.gif)
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![2-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)methylamino]-N-phenyl-acetamide](http://zinc12.docking.org/img/rings/135310.gif)
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![2-(3,4-dihydro-1H-isoquinolin-2-yl)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/183462.gif)
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![7-(indolin-1-ylmethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/512353.gif)
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![7-[(5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridin-6-ylamino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/504470.gif)
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