CAS No:N/A ||Chemical Formula:C23H27N5O8S ||Molecular Weight:533.55600 ||Exact Mass:533.15800||(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-carboxylic acid 4-oxide