1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-(1-hydroxyethyl)-4-methyl-3-[[5-[2-[(methylamino)carbonyl]cyclopropyl]-1-[[(4-nitrophenyl)methoxy]carbonyl]-3-pyrrolidinyl]thio]-7-oxo-,(4-nitrophenyl)methyl ester
CAS No. 137049-17-3