CAS NO: 134237-56-2 ||Chemical Formula:C25H23ClF2N2O6S||Molecular Weight:552.97473||Exact Mass:552.09334||(6R,7R)-benzhydryl 3-(chloromethyl)-7-((1-(((Z)-2-chlorovinyl)oxy)-2-((difluoromethyl)thio)ethyl)amino)-7-methoxy-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate