125055-73-4 2-Methyl-N-((6-methyl-4-oxo-4H-pyrido(1,2-a)pyrimidin-3-yl)carbonyl)alanine ethyl ester Alanine, 2-methyl-N-((6-methyl-4-oxo-4H-pyrido(1,2-a)pyrimidin-3-yl)carbonyl)-, ethyl ester N-(1-Ethoxycarbonyl-2-methylpropyl)-6-methyl-4-oxo-4H-pyrido(1,2-a)pyrimidine-3-carboxamide