105889-80-3

(2,2-Dimethyl-1-oxopropoxy)methyl (6R,7R)-3-[[(aminocarbonyl)oxy]methyl]-7-[[(2Z)-2-[2-[[(1,1-dimethylethoxy)carbonyl]amino]-4-thiazolyl]-1-oxo-2-penten-1-yl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate