CAS No:N/A||Chemical Formula:C31H34N6O6S2||Molecular Weight:650.76900||Exact Mass:650.19812||2-(((R)-2-((6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-phenylacetamido)methyl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid