16878-14-1

Ethyl 9-Methyl-4-oxopyrido[1,2-a]pyriMidine-3-carboxylate Ethyl 9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 9-Methyl-4H-Pyrido[1,2-a]pyrimidine-4-oxo-3-carboxylic acid ethyl ester 9-Methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester 4H-Pyrido[1,2-a]pyrimidine-3-carboxylic acid, 9-methyl-4-oxo-, ethyl ester