3-((2S,4S)-4-Mercapto-1-(((4-nitrobenzyl)oxy)carbonyl)pyrrolidine-2-carboxamido)benzoic acid

3-[[[(2S,4S)-4-MERCAPTO-2-PYRROLIDINYL-1-(4-NITROBENZYLOXY)CARBONYL]CARBONYL]AMINO]BENZOIC ACID

3-[[[(2s,4s)-4-mercapto-1-(4-nitrobenzyloxy)carbonyl-2-pyrrolidinyl]carbonyl]amino]benzoic acid

2-[[(3-carboxyphenyl)amino]carbonyl]-4-mercapto-1-pyrrolidinecarboxylic acid (2s-cis)-1-[(4-nitrophenyl)methyl] ester

3-[[[(2S, 4S)-4-mercapto-1-(4-nitrobenzyloxy)carbonyl-2-pyrrolidinyl]carbonyl]amino]benzoic acid

(2S,4S)-2-[[(3-carboxyphenyl)amino]carbonyl]-4-mercapto-1-(4-nitrobenzyl)pyrrolidinecarboxylate

Side Chain For Ertapenem

3-[[[(2S, 4S)-4-mercapto-1-(4-nitrobenzyloxy)carbonyl-2-pyrrolidinyl] carbonyl]amino]benzoic acid

The Sidechain of Ertapenem

Side chain of Ertapenem

3-[[[(2S,4S)-4-Mercapto-1-(4-nitrobenzyloxy)carbonyl-2-pyrrolidinyl]carbonyl]amino]-benzoic acid

Ertapenem Side-Chain

Ertaipenem side chain

ertapenem side chain

2-[[(3-carboxyphenyl)amino]carbonyl]-4-mercapto-1-pyrrolidinecarboxyl