Synonyms: Penicillin P 12;Penstapho;Penstaphocid;Prostaphlin;SQ 16423;Sodium(5-methyl-3-phenyl-2-isoxazoline-4-carboxamido)penicillanate;Sodium5-methyl-3-phenyl-4-isoxazolyl penicillin;Sodium[(3-phenyl-5-methyl-4-isoxazolyl)carbonyl]penicillin;Sodium oxacillin;Stapenor;Staphcillin V;4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 3,3-dimethyl-6-(5-methyl-3-phenyl-4-isoxazolecarboxamido)-7-oxo-,monosodium salt (8CI);4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid,3,3-dimethyl-6-[[(5-methyl-3-phenyl-4-isoxazolyl)carbonyl]amino]-7-oxo-,monosodium salt, [2S-(2a,5a,6b)]-;5-Methyl-3-phenyl-4-isoxazolyl penicillin sodiumsalt;BRL 1400;Bactocil;Bactocil sodium;Bristopen;Cryptocillin;Micropenin;Monosodium oxacillin;NSC 527712;