CAS No:N/A||Chemical Formula:C20H25N5O9S2||Molecular Weight:543.56600||Exact Mass:543.10937||(R)-1-((ethoxycarbonyl)oxy)ethyl(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia
-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate