CAS No:82547-81-7 ||Chemical Formula:C22H27N9O7S2 ||Molecular Weight:593.63400 ||Exact Mass:593.14749 (pivaloyloxy)methyl(6R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((5-methyl-2H-tetrazol-2-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate