CAS No:65772-67-0 ||Chemical Formula:C39H44N8O10S2 ||Molecular Weight:848.94700 ||Exact Mass:848.26218||(2S,5R,6R)-6-((R)-2-((2S,5R,6R)-6-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid