CAS No:64544-07-6||Chemical Formula:C20H22N4O10S||Molecular Weight:510.47400 ||Exact Mass:510.10566||Mixture of the 2 diastereoisomers of (1RS)-1-(acetyloxy)ethyl(6R,7R)-3-[(carbamoyloxy)methyl]-7-[[(Z)-2-(furan-2-yl)-2-(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]-oct-2-ene-2-carboxylate