1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,3-[[1-[4-[[(2-amino-2-oxoethyl)(1-methylethyl)amino]carbonyl]-2-thiazolyl]-3-azetidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-,(4-nitrophenyl)methyl ester, (4R,5S,6S)-
CAS No. 429665-95-2