54504-62-0

3,6-Dimethyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 6,7,8,9-Tetrahydro-3,6-dimethyl-4H-pyrido[1,2-a]pyrimidin-4-one 4H-Pyrido[1,2-a]pyrimidin-4-one, 6,7,8,9-tetrahydro-3,6-dimethyl-