196309-79-2 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-((2-(3-benzoylphenyl)-1-oxopropyl)amino)-3,3-dimethyl-7-oxo-, monosodium salt, (2S-(2-alpha,5-alpha,6-beta))-(partial)- Ketocillin sodium alpha-Methyl-3-(benzoyl) benzyl penicillin sodium