![2-[(4-benzylpiperazino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/126532.gif)
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![7-phenyl-2-(2-piperidylmethylamino)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/142692.gif)
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![2-[(2-benzylcyclohexyl)amino]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/437433.gif)
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![7-[(3-benzylpiperidino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/389616.gif)
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![7-[(4-phenylazepan-1-yl)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/391782.gif)
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![7-[[[5-[(1,1-diketothiolan-3-yl)methyl]-1,3,4-oxadiazol-2-yl]thio]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/115139.gif)
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![2-[[4-(2-thienylsulfonyl)piperazino]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/134544.gif)
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![7-[[2-(morpholine-4-carbonyl)piperidino]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/388456.gif)
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![N-(2-furfuryl)-5-keto-2-piperidino-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90341.gif)
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![2-[(4-benzoylpiperazino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/130491.gif)
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![5-keto-N-phenyl-2-piperidino-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90321.gif)
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![7-[(4-benzoylpiperazino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/130492.gif)
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![7-[[4-(cyclohexanecarbonyl)piperazino]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/373268.gif)
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![7-[[[phenyl(2-pyrimidyl)methyl]amino]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/381947.gif)
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![N-cyclohexyl-5-keto-2-piperidino-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90423.gif)
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![7-[(2-phenoxyanilino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/264132.gif)
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![7-[[benzyl(tetrahydrofurfuryl)amino]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/29460.gif)
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![2-[(N-benzylanilino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/132322.gif)
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![2-[(4-besylpiperazino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/135550.gif)
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![5-keto-2-piperidino-N-(2-pyridylmethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90308.gif)
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![5-keto-2-piperidino-N-(3-pyridylmethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90314.gif)
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![5-keto-2-piperidino-N-[2-(2-thienyl)ethyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90473.gif)
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![N-[2-(2-furyl)ethyl]-5-keto-2-piperidino-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90475.gif)
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![1-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)methyl]pyrrolidine-2-carboxylic Acid Benzyl Ester](http://zinc12.docking.org/img/rings/160464.gif)
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![2-cyclopentyl-N-[1-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)methyl]-4-piperidyl]acetamide](http://zinc12.docking.org/img/rings/379946.gif)
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![7-[[2-(tetrahydropyran-2-ylmethoxy)anilino]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/604348.gif)
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![N-benzyl-5-keto-2-piperidino-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90305.gif)
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![N-cycloheptyl-5-keto-2-piperidino-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90328.gif)
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![N-cyclohexyl-1-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)methyl]isonipecotamide](http://zinc12.docking.org/img/rings/449342.gif)
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![N-[1-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)methyl]-4-piperidyl]cyclohexanecarboxamide](http://zinc12.docking.org/img/rings/448940.gif)
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![7-[(3-benzoxyanilino)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/463446.gif)
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![1-benzyl-5-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-2-yl)methylamino]pyrimidine-2,4-quinone](http://zinc12.docking.org/img/rings/124194.gif)
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![5-keto-2-piperidino-N-(2-piperidinoethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90388.gif)
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![N-[1-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)methyl]-4-piperidyl]carbamic Acid Phenyl Ester](http://zinc12.docking.org/img/rings/390309.gif)
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![5-keto-N-phenethyl-2-piperidino-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90324.gif)
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![N-(2-cyclohexen-1-ylethyl)-5-keto-2-piperidino-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90401.gif)
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![N-[2-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)methylthio]phenyl]benzamide](http://zinc12.docking.org/img/rings/253819.gif)
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![1-(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-2-yl)-N-(3-piperidinopropyl)nipecotamide](http://zinc12.docking.org/img/rings/56993.gif)
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![N-[2-(cyclohexylamino)ethyl]-5-keto-2-piperidino-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90444.gif)
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![6-[(5-keto-[1,3,4]thiadiazolo[3,2-a]pyrimidin-6-yl)-(2-thienyl)methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/100392.gif)
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![7-[[2-(2,3-dihydro-1,4-benzodioxin-5-yl)pyrrolidino]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/392495.gif)
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![7-[[4-(1H-indol-2-yl)piperidino]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/449847.gif)
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![7-[[[2-(2-furyl)-7-keto-6H-pyrazolo[1,5-a][1,3,5]triazin-4-yl]thio]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/90200.gif)
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![2-[[1-(2,3-dihydro-1,4-benzodioxin-6-yl)cyclopentyl]methylamino]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/239832.gif)
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![7-[[(7-keto-2-phenyl-6H-pyrazolo[1,5-a][1,3,5]triazin-4-yl)thio]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/90100.gif)
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![2-[[4-(1-naphthylmethyl)piperazino]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/126646.gif)
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![5-keto-2-piperidino-N-piperonyl-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxamide](http://zinc12.docking.org/img/rings/90354.gif)
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![2-[[(4-cyclopentyl-5-phenyl-1,2,4-triazol-3-yl)thio]methyl]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/116318.gif)
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![2-phenyl-7-[4-(2-thenoyl)piperazino]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/88616.gif)
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![7-[4-(2-furoyl)piperazino]-2-phenyl-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one](http://zinc12.docking.org/img/rings/88619.gif)
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