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-, monosodium salt, monohydrate, (2S-(2alpha,5alpha,6beta))- 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(3-(o-chlorophenyl)-5-methyl-4-isoxazolecarboxamido)-3,3-dimethyl-7-oxo-, sodium salt, monohydrate 7081-44-9 BRL-1621 sodium salt monohydrate Bactopen CLOXACILLIN SODIUM MONOHYDRATE Cloxacillin sodium [USAN:JAN] Monosodium (2S,5R,6R)-6-(3-(o-chlorophenyl)-5-methyl-4-isoxazolecarboxamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylate monohydrate Orbenin sodium hydrate Prostaphlin-A monohydrate Sodium cloxacillin monohydrate Staphobristol-250