1-(1,1-DIMETHYLETHYL) (2S,4S)-2-(((3-CARBOXYPHENYL)AMINO)CARBONYL)-4-MERCAPTO-1-PYRROLIDINECARBOXYLATE
1-(1,1-dimethylethyl) (2s,4s)-2-(((3-carboxyphenyl)amino)carbonyl)-4-mercapto-1-pyrrolidinecarboxylate