Synonyms: 1-Pyrrolidinecarboxylicacid, 2-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]-, 1,1-dimethylethyl ester,(2S)- (9CI); 1-Pyrrolidinecarboxylic acid,2-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]-, 1,1-dimethylethyl ester, (S)-;Succinimide, N-[(1-carboxy-L-prolyl)oxy]-, tert-butyl ester (7CI,8CI);1,2-Pyrrolidinedicarboxylic acid, 1-tert-butyl ester, succinimido deriv., L-(8CI); N-Boc-L-proline N-hydroxysuccinimidyl ester