Ceftobiprole

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]-8-oxo-3-[(E)-[(3'R)-2-oxo[1,3'-bipyrrolidin]-3-ylidene]Methyl]-,(6R,7R)-