CAS No:N/A ||Chemical Formula:C20H25N5O8S2 ||Molecular Weight:527.56700 ||Exact Mass:527.11445 ||(pivaloyloxy)methyl (6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide