CAS No:136235-54-6||Chemical Formula:C20H22N4O11S ||Molecular Weight:526.47300||Exact Mass:526.10058 ||1-acetoxyethyl(6R,7R)-3-((carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide