![7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-8-one](http://zinc12.docking.org/img/rings/92859.gif)
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![7-benzyl-[1,2,4]triazolo[4,3-a]pyrazin-8-one](http://zinc12.docking.org/img/rings/420943.gif)
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![N-cyclopropyl-3-(8-keto-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)propionamide](http://zinc12.docking.org/img/rings/92952.gif)
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![3-(3-keto-3-piperazino-propyl)-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-8-one](http://zinc12.docking.org/img/rings/92942.gif)
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![3-(3-keto-3-piperidino-propyl)-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-8-one](http://zinc12.docking.org/img/rings/92867.gif)
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![3-(8-keto-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-N-(2-thenyl)propionamide](http://zinc12.docking.org/img/rings/92863.gif)
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![N-(2-furfuryl)-3-(8-keto-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)propionamide](http://zinc12.docking.org/img/rings/92830.gif)
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![3-(8-keto-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-N-phenyl-propionamide](http://zinc12.docking.org/img/rings/92833.gif)
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![2-[(7-benzyl-8-keto-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)thio]-N-(2-thenyl)acetamide](http://zinc12.docking.org/img/rings/421410.gif)
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![2-[(7-benzyl-8-keto-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)thio]-N-(tetrahydrofurfuryl)acetamide](http://zinc12.docking.org/img/rings/420957.gif)
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![2-[(7-benzyl-8-keto-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)thio]-N-phenyl-acetamide](http://zinc12.docking.org/img/rings/420938.gif)
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![3-(8-keto-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-N-(2-pyridylmethyl)propionamide](http://zinc12.docking.org/img/rings/92934.gif)
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![N-benzyl-3-(8-keto-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)propionamide](http://zinc12.docking.org/img/rings/92841.gif)
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![3-(8-keto-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-N-phenethyl-propionamide](http://zinc12.docking.org/img/rings/92849.gif)
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![N-(2-cyclohexen-1-ylethyl)-3-(8-keto-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)propionamide](http://zinc12.docking.org/img/rings/92852.gif)
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![3-(8-keto-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-N-(3-phenylpropyl)propionamide](http://zinc12.docking.org/img/rings/92872.gif)
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![3-(8-keto-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-N-piperonyl-propionamide](http://zinc12.docking.org/img/rings/92915.gif)
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![3-[3-keto-3-[4-(2-pyridyl)piperazino]propyl]-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-8-one](http://zinc12.docking.org/img/rings/92945.gif)
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![3-[3-(4-cyclohexylpiperazino)-3-keto-propyl]-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-8-one](http://zinc12.docking.org/img/rings/92948.gif)
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![3-[3-keto-3-(4-phenylpiperazino)propyl]-7-phenyl-[1,2,4]triazolo[4,3-a]pyrazin-8-one](http://zinc12.docking.org/img/rings/92856.gif)
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![7-benzyl-3-[[2-keto-2-(4-phenylpiperazino)ethyl]thio]-[1,2,4]triazolo[4,3-a]pyrazin-8-one](http://zinc12.docking.org/img/rings/567888.gif)
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