xo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, Syntarpen, [5-methyl-3-(o-chlorophenyl)-4-isoxazolyl]penicillin, methocillins, Orbenin Extra Dry Cow, CLOXACILLIN, MCIPC, [3-(o-chlorophenyl)-5-methyl-4-isoxazolyl]penicillin, Cloxacillin (base and/or unspecified salts), brl1621, 3-dimethyl-7-oxo-thyl-4-isoxazolecarboxamido), 6-<5-Methyl-3-(2-chlor-phenyl)-isoxazolyl-(4)-formamino>-penicillansaeure