Synonyms: DMP;(2S,4S) -2-(dimethylaminocarbonyl)-4-mercapto-1- (p-nitrobenzyloxycarbonyl) -1-pyrrolidine;Meropenem Side Chain;1-Pyrrolidinecarboxylicacid, 2-[(dimethylamino)carbonyl]-4-mercapto-, (4-nitrophenyl)methyl ester,(2S-cis)-;(2S,4S)-2-Dimethylaminocarbonyl-4-mercapto-1-(p-nitrobenzyloxycarbonyl)-pyrrolidine;Side chain for meropenem(2S-CIS);2-Dimethylcarbamoyl-4-mercapto-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester;(2s-cis)-2-[(dimethylamino)carbonyl]-4-mercapto-1-pyrrolidinecarboxylic acid (4-nitrophenyl) methyl ester;(2s,4s)-2-(dimethylaminocarbonyl)-4-mercapto-1-(4'-nitrobenzyloxycarbonyl)-1-pyrrolidine;2s,4s)-2-dimethylaminocarbonyl-4-mercapto-1-p-nitrobenzyloxycabonyl-pyrrolidine;