| 英文同义词: | ethyl alpha-methyl-beta-oxopyrazinepropionate;2-Methyl-3-(2-pyrazinyl)-3-oxopropionic acid ethyl ester;2-Methyl-3-oxo-3-(2-pyrazinyl)propionic acid ethyl ester;α-Methyl-β-oxopyrazinepropanoic acid ethyl ester;2-Pyrazinepropanoic acid, α-methyl-β-oxo-, ethyl ester |