英文别名:
ethyl 4-hydroxy-2-oxopyrrolidine-1-acetate;4-Hydroxy-2-oxo-1-pyrrolidineacetic acid ethyl ester;oxiracetaM related substance;OxiracetaM iMpurity D;ethyl 2-(4-hydroxy-2-oxopyrrolidin-1-yl)acetate;Oxiracetam IMP;Oxiracetam Impurity X;Oxiracetam Impurity IX