![8-(1H-imidazol-4-ylmethyl)-1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazine](http://zinc12.docking.org/img/rings/420434.gif)
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![8-(2-pyrimidyl)-1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazine](http://zinc12.docking.org/img/rings/398514.gif)
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![8-(2-pyridyl)-1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazine](http://zinc12.docking.org/img/rings/415841.gif)
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![1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazin-8-yl(1H-pyrazol-5-yl)methanone](http://zinc12.docking.org/img/rings/416123.gif)
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![8-(3-pyridylmethyl)-1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazine](http://zinc12.docking.org/img/rings/402977.gif)
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![1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazin-8-yl(5-pyrimidyl)methanone](http://zinc12.docking.org/img/rings/418857.gif)
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![1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazin-8-yl(4-piperidyl)methanone](http://zinc12.docking.org/img/rings/398025.gif)
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![1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazin-8-yl(phenyl)methanone](http://zinc12.docking.org/img/rings/421723.gif)
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![1-(1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazin-8-yl)-3-imidazol-1-yl-propan-1-one](http://zinc12.docking.org/img/rings/404496.gif)
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![N-phenyl-1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazine-8-carboxamide](http://zinc12.docking.org/img/rings/407171.gif)
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![1-(1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazin-8-yl)-4-(tetrazol-1-yl)butan-1-one](http://zinc12.docking.org/img/rings/417203.gif)
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![8-(1,6-naphthyridin-5-yl)-1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazine](http://zinc12.docking.org/img/rings/407177.gif)
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![1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazin-8-yl(pyrazolo[1,5-a]pyrimidin-2-yl)methanone](http://zinc12.docking.org/img/rings/421099.gif)
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![8-(4-pyrrolidinopyrimidin-2-yl)-1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazine](http://zinc12.docking.org/img/rings/398794.gif)
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![1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazin-8-yl-[3-(2-thienyl)-4H-pyrazol-4-yl]methanone](http://zinc12.docking.org/img/rings/397853.gif)
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![8-[[1-(3-pyridyl)pyrrol-2-yl]methyl]-1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazine](http://zinc12.docking.org/img/rings/417961.gif)
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![1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazin-8-yl-[5-(pyrrolidinomethyl)-2-furyl]methanone](http://zinc12.docking.org/img/rings/418777.gif)
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![3-(1,2,3,4,6,7,9,9a-octahydropyrazino[1,2-a]pyrazine-8-carbonyl)-6-(4-pyridyl)-2-pyridone](http://zinc12.docking.org/img/rings/420628.gif)
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