CAS No: 65700-41-6||Chemical Formula:C24H29N5O7S||Molecular Weight:531.58400||Exact Mass:531.17877||methyl(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-carboxylate