英文别名
2,2'-dicyano-3,3'-dioxo-octahydro-[2,2']bipyrrolyl-1,1'-dicarboxylic acid diethyl ester;Diethyl 2,2'-dicyano-3,3'-dioxo-2,2'-bipyrrolidine-1,1'-dicarboxylate;ethyl 2-cyano-2-(2-cyano-1-ethoxycarbonyl-3-oxopyrrolidin-2-yl)-3-oxopyrrolidine-1-carboxylate