651059-37-9

5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-[(3S)-3-[[(4R)-4-(acetylamino)-5-(1,1-dimethylethoxy)-1,5-dioxopentyl]amino]-4-hydroxybutyl]-7-[[(1,1-dimethylethoxy)carbonyl]amino]-8-oxo-,(4-methoxyphenyl)methyl ester, (6R,7R)-