CAS No:N/A ||Chemical Formula:C20H22N4O9S2 ||Molecular Weight:526.53500 ||Exact Mass:526.08282 ||(6R,7R)-3-(acetoxymethyl)-7-((6R,7R)-3-(acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid