![4-pyrrolidino-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/29077.gif)
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![5-(6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-ylmethyl)-1,2,4-oxadiazole](http://zinc12.docking.org/img/rings/354252.gif)
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![2-(6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-ylmethyl)oxazole](http://zinc12.docking.org/img/rings/355718.gif)
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![3-(6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-yl)tetrahydrofuran-2-one](http://zinc12.docking.org/img/rings/353728.gif)
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![4-(6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-ylmethyl)isoxazole](http://zinc12.docking.org/img/rings/355713.gif)
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![4-(6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-ylmethyl)thiazole](http://zinc12.docking.org/img/rings/365659.gif)
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![4-piperazino-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/609628.gif)
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![5-(6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-ylmethyl)isoxazole](http://zinc12.docking.org/img/rings/352887.gif)
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![5-(6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-ylmethyl)thiazole](http://zinc12.docking.org/img/rings/355819.gif)
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![7-(1H-imidazol-2-ylmethyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/355735.gif)
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![7-(1H-pyrazol-4-ylmethyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/488621.gif)
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![7-(2-pyrimidyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/352952.gif)
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![7-(4-pyrimidyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/354283.gif)
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![2-(2-pyridyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/37147.gif)
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![2-(3-pyridyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/25705.gif)
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![2-(4-pyridyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/28947.gif)
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![4-piperidino-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/66506.gif)
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![7-(2-pyridyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/353481.gif)
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![7-(2-thenyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/364521.gif)
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![Cyclobutylmethyl(5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)amine](http://zinc12.docking.org/img/rings/601826.gif)
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![2-phenyl-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/66766.gif)
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![7-(cyclopentylmethyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/338954.gif)
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![7-phenyl-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/364447.gif)
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![1,2,4-oxadiazol-5-ylmethyl(5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)amine](http://zinc12.docking.org/img/rings/584350.gif)
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![1H-pyrazol-3-ylmethyl(5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)amine](http://zinc12.docking.org/img/rings/523481.gif)
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![5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl(thiazol-4-ylmethyl)amine](http://zinc12.docking.org/img/rings/584568.gif)
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![5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl(thiazol-5-ylmethyl)amine](http://zinc12.docking.org/img/rings/586067.gif)
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![5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl(2-thenyl)amine](http://zinc12.docking.org/img/rings/521506.gif)
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![6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-yl(pyrrolidin-2-yl)methanone](http://zinc12.docking.org/img/rings/37250.gif)
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![7-(2-pyrazol-1-ylethyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/368615.gif)
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![7-(pyrazin-2-ylmethyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/367342.gif)
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![Pyrrolidin-3-ylmethyl(5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)amine](http://zinc12.docking.org/img/rings/526852.gif)
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![7-(2-pyridylmethyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/353653.gif)
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![7-(3-pyridylmethyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/355719.gif)
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![7-(4-piperidylmethyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/494488.gif)
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![7-[2-(2-thienyl)ethyl]-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/354277.gif)
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![7-(cyclohexylmethyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/355615.gif)
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![7-benzyl-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine](http://zinc12.docking.org/img/rings/172722.gif)
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![5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl-[2-(1,2,4-triazol-1-yl)ethyl]amine](http://zinc12.docking.org/img/rings/578866.gif)
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![5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl-[2-(4H-1,2,4-triazol-3-yl)ethyl]amine](http://zinc12.docking.org/img/rings/612347.gif)
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![6-(6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-yl)uracil](http://zinc12.docking.org/img/rings/499284.gif)
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![5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl(2-thiazol-4-ylethyl)amine](http://zinc12.docking.org/img/rings/564457.gif)
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![5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl(2-thiazol-5-ylethyl)amine](http://zinc12.docking.org/img/rings/521109.gif)
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![5-pyrimidylmethyl(5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)amine](http://zinc12.docking.org/img/rings/37427.gif)
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![1-[2-(6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-yl)ethyl]-2-pyrrolidone](http://zinc12.docking.org/img/rings/479059.gif)
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![2-pyridylmethyl(5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)amine](http://zinc12.docking.org/img/rings/534150.gif)
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