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

CAS: 202467-69-4

Formula: C20H19N3O7S

for the following products (2S,4S)-2-[[(3-Carboxyphenyl)amino]carbonyl]-4-mercapto-1-(p-nitrobenzyloxycarbonyl)-1-pyrrolidine | Side chain for Ertapenem and 3-[[[(2S, 4S)-4-mercapto-1-(4-nitrobenzyloxy)carbonyl-2-pyrrolidinyl]carbonyl]amino]benzoic acid