英文同义词: | (7R,9aS)-methyl 9a-methyl-1-oxo-octahydro-1H-pyrido[1,2-a]pyrazine-7-carboxylate;2H-Pyrido[1,2-a]pyrazine-7-carboxylic acid, octahydro-1-oxo-, Methyl ester, (7R,9aS)-rel-;(7R,9aS)-Methyl 1-oxooctahydro-1H-pyrido[1,2-a]pyrazine-7-carboxylate;Methyl (7R,9aS)-1-oxooctahydro-2H-pyrido[1,2-a]pyrazine-7-carboxylate |