912640-06-3

1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,3-[[(1Z)-2-[4-[[2-(acetyloxy)ethoxy]methyl]-5-thiazolyl]ethenyl]thio]-4-methyl-7-oxo-6-[(1R)-1-[(triethylsilyl)oxy]ethyl]-, (4-nitrophenyl)methyl ester,(4R,5S,6S)-