CAS No:N/A||Chemical Formula:C31H34N6O8S||Molecular Weight:650.70700||Exact Mass:650.21588||(2S,5R,6R)-6-((R)-2-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid