for the following products
4-Nitrobenzyl (2S,4S)-4-acetylthio-2-[[N-sulfamoyl-N-(tert-butoxycarbonyl)amino]methyl]pyrrolidine-1-carboxylate(Doripenem sidechain) | Acs-pnz-pyrrolidyl-(boc)-NSO2NH2 | Doripenem side-chain | Intermediate of doripenem and 4-Nitrobenzyl (2S,4S)-4-acetylthio-2-[[N-sulfamoyl-N-(tert-butoxycarbonyl)amino methylpyrrolidine-1-carboxylate