![3-[2-keto-2-(3-keto-2,4-dihydroquinoxalin-1-yl)ethyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/245412.gif)
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![2-(2,4-diketo-1,3-diazaspiro[4.6]undecan-3-yl)-N-(1-naphthyl)acetamide](http://zinc12.docking.org/img/rings/245448.gif)
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![3-[(5-cyclopropyl-1,2,4-oxadiazol-3-yl)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/480115.gif)
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![3-[[5-(2-thienyl)oxazol-2-yl]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/519463.gif)
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![3-[[cyclopropyl-(1,1-diketothiolan-3-yl)amino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/108457.gif)
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![3-[(5-phenyl-1,2,4-oxadiazol-3-yl)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/452622.gif)
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![3-[(5-phenyl-1,3,4-oxadiazol-2-yl)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/8550.gif)
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![3-[(2-cyclohexylthiazol-4-yl)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/193765.gif)
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![3-[(2-phenyloxazol-4-yl)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/182131.gif)
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![3-[(3-phenylisoxazol-5-yl)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/8553.gif)
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![3-[(4-pyrrol-1-ylpiperidino)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/188987.gif)
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![3-[(2-phenylpyrrolidino)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/261401.gif)
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![3-[[(1-phenylcyclobutyl)amino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/178807.gif)
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![3-[[benzyl(cyclopropyl)amino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/261438.gif)
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![3-[(3-benzyl-1,2,4-oxadiazol-5-yl)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/519462.gif)
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![3-[[4-(3-thenyl)piperazino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/126783.gif)
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![3-[[4-(3-furoyl)piperazino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/165622.gif)
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![3-[2-keto-2-[1-(tetrahydrofurfuryl)pyrrol-3-yl]ethyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/245424.gif)
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![3-[[3-(morpholinomethyl)piperidino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/461086.gif)
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![3-[(4-benzylpiperazino)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/126433.gif)
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![3-[(benzhydrylamino)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/235706.gif)
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![2-(2,4-diketo-1,3-diazaspiro[4.6]undecan-3-yl)-N-(5-keto-1-phenyl-3-pyrazolin-4-yl)acetamide](http://zinc12.docking.org/img/rings/245466.gif)
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![3-[[4-(2-phenoxyethyl)piperazino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/126431.gif)
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![2-(2,4-diketo-1,3-diazaspiro[4.6]undecan-3-yl)-N-(2-phenylphenyl)acetamide](http://zinc12.docking.org/img/rings/245416.gif)
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![N,N-dicyclohexyl-2-(2,4-diketo-1,3-diazaspiro[4.6]undecan-3-yl)acetamide](http://zinc12.docking.org/img/rings/245431.gif)
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![3-[(4-besyl-1,4-diazepan-1-yl)methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/240252.gif)
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![2-(2,4-diketo-1,3-diazaspiro[4.6]undecan-3-yl)-N-(4-phenoxyphenyl)acetamide](http://zinc12.docking.org/img/rings/245480.gif)
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![3-[[(4-benzoxybenzyl)amino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/236832.gif)
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![N-(2-benzylphenyl)-2-(2,4-diketo-1,3-diazaspiro[4.6]undecan-3-yl)acetamide](http://zinc12.docking.org/img/rings/245418.gif)
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![N-benzhydryl-2-(2,4-diketo-1,3-diazaspiro[4.6]undecan-3-yl)acetamide](http://zinc12.docking.org/img/rings/106402.gif)
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![N-(2-benzoylphenyl)-2-(2,4-diketo-1,3-diazaspiro[4.6]undecan-3-yl)acetamide](http://zinc12.docking.org/img/rings/245454.gif)
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![N-[2-(5-benzal-2,4-diketo-thiazolidin-3-yl)ethyl]-2-(2,4-diketo-1,3-diazaspiro[4.6]undecan-3-yl)acetamide](http://zinc12.docking.org/img/rings/246899.gif)
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![3-[[4-([1,2,4]triazolo[4,3-a]pyridin-3-yl)piperidino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/259840.gif)
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![3-[[4-(1,3-benzoxazol-2-yl)piperidino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/234190.gif)
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![3-[[4-(coumaran-5-ylmethyl)piperazino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/126719.gif)
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![3-[[4-(1-naphthylmethyl)piperazino]methyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/126426.gif)
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![3-[4-[(2,4-diketo-1,3-diazaspiro[4.6]undecan-3-yl)methyl]benzyl]-1,3-diazaspiro[4.6]undecane-2,4-quinone](http://zinc12.docking.org/img/rings/110399.gif)
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