4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-6-(((((((3-(methylsulfonyl)-2-oxo-1-imidazolidinyl)carbonyl)amino)carbonyl)amino)phenylacetyl)amino)-7-oxo-, monosodium salt, (2S-(2alpha,5alpha,6beta(S*)))- 59798-30-0 MEZLOCILLIN SODIUM