CAS No:N/A ||Chemical Formula:C21H25N5O10S2 ||Molecular Weight:571.57600 ||Exact Mass:571.10428||(2S,5R,6R)-3,3-dimethyl-6-((R)-2-(3-(methylsulfonyl)-2-oxoimidazolidine-1-carboxamido)-2-phenylacetamido)-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide