CAS No:1207726-28-0 ||Chemical Formula:C24H26N4O5S ||Molecular Weight:482.55204 ||Exact Mass:482.16239 ||Chemical Formula: C24H26N4O5S|(R)-2-((2S,5R,6R)-6-((R)-2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-2-phenylacetic acid