英文别名ethyl 2-oxopyrrolidine-1-acetate; 2-(oxo-pyrrolidin-1-yl)-acetic acid ethyl ester; ETHYL 2-OXOPYRROLIDIN-2-YLACETATE; 2-Pyrrolidone-N-acetic acid ethyl ester; Einecs 262-828-0; 1-Pyrrolidineacetic acid, 2-oxo-, ethyl ester; 1-(Ethoxycarbonylmethyl)-2-pyrrolidone; Piracetam Impuirty C; ethyl 2-oxo-1-pyrrolyidineacetate; ethyl 2-oxo-1-pyrrolidineacetate; Ethyl (2-oxopyrrolidin-1-yl)acetate; Ethyl (2-oxo-1-pyrrolidinyl)acetate 
