571176-82-4

(2S,4R)-4-(Acetylthio)-2-[[(aminosulfonyl)[(1,1-dimethylethoxy)carbonyl]amino]methyl]-1-pyrrolidinecarboxylic Acid (4-Nitrophenyl) Ethyl Ester, is an intermediate in the synthesis of the 2-Aminomethylpyrrolidin-4-ylthio-Containing Side Chain of the Novel