147-52-4 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(((2-ethoxy-1-naphthalenyl)carbonyl)amido)-3,3-dimethyl-7-oxo-, monosodium salt, (2S,5R,6R)- 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(2-ethoxy-1-naphthamido)-3,3-dimethyl-7-oxo-, monosodium salt 6-(2-Ethoxy-1-naphthamido)penicillin sodium 985-16-0 BRL 1383 EINECS 213-574-4 Nafcillin sodium Nafcillin sodium anhydrous Nafcillin sodium salt Naftopen Sodium (2S-(2alpha,5alpha,6beta))-6-(((2-ethoxy-1-naphthyl)carbonyl)amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylate Sodium 6-(2-ethoxy-1-naphthamido)penicillanate Sodium nafcillin