22389-85-1

2-Methylpyrido[3,4-d]pyriMidin-4-ol 2-Methylpyrido[3,4-d]pyrimidin-4(1H)-one 2-methyl-1H-pyrido[3,4-d]pyrimidin-4-one 2-Methylpyrido[3,4-d]pyrimidin-4(3H)-one Pyrido[3,4-d]pyrimidin-4(3H)-one, 2-methyl- 2-methyl-3H,4H-pyrido[3,4-d]pyrimidin-4-one