Synonyms: 1-Pyrrolidinecarboxylicacid, 2-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]-, phenylmethyl ester, (2S)-(9CI); 1-Pyrrolidinecarboxylic acid,2-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]-, phenylmethyl ester, (S)-;Succinimide, N-[(1-carboxy-L-prolyl)oxy]-, benzyl ester (7CI,8CI);1,2-Pyrrolidinedicarboxylic acid, 1-benzyl ester, succinimido deriv., L- (8CI);L-Proline, 1-pyrrolidinecarboxylic acid deriv.; Benzyloxycarbonyl-L-prolineester with N-hydroxysuccinimide