CAS No:1605314-85-9||Chemical Formula:C21H23N3O7S||Molecular Weight:461.48900||Exact Mass:461.12567||(6R,7R)-7-((R)-2-amino-2-(4-((ethoxycarbonyl)oxy)phenyl)acetamido)-8-oxo-3-((E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid