ethyl 2-(2-oxopyrrolidin-1-yl)acetate; 1-(Ethoxycarbonylmethyl)-2-pyrrolidone; Ethyl (2-oxo-1-pyrrolidinyl)acetate; Ethyl 2-oxo-1-pyrrolidineacetate; (Ethyl (2-Oxopyrrolidin-1-yl)acetate)
ethyl 2-(2-oxopyrrolidin-1-yl)acetate; 1-(Ethoxycarbonylmethyl)-2-pyrrolidone; Ethyl (2-oxo-1-pyrrolidinyl)acetate; Ethyl 2-oxo-1-pyrrolidineacetate; (Ethyl (2-Oxopyrrolidin-1-yl)acetate)