Ceftobiprole medocaril

5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,7-[[(2Z)-2-(5-aMino-1,2,4-thiadiazol-3-yl)-2-(hydroxyiMino)acetyl]aMino]-3-[[(E,3'R)-1'-[[(5-Methyl-2-oxo-1,3-dioxol-4-yl)Methoxy]carbonyl]-2-oxo[1,3'-bipyrrolidin]-3-ylidene]Methyl]-8-oxo-,(6R,7R)-