4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(((3-(2-chlorophenyl)-5-methyl-4-isoxazolyl)carbonyl)amino)-3,3-dimethyl-7-oxo-, 4,4-dioxide, (2S-(2alpha,5alpha,6beta))- 6-(3-(2-Chlorophenyl)-5-methyl-4-isoxazolyl)penicillin sulfone 76788-83-5 Cloxacillin sulfone