6-benzyl-5

3-d]pyriMidin-4(3H)-one

6-benzyl-3H,4H,5H,6H,7H,8H-pyrido[4,3-d]pyriMidin-4-one

6-Benzyl-5,6,7,8-tetrahydro-1H-pyrido[4,3-d]pyriMidin-4-one

6-Benzyl-5,6,7,8-tetrahydro-3H-pyrido[4,3-d]pyrimidin-4-one

6-benzyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(3H)-one