英文别名Cloxacillin Sodium Impurity 6; Cloxacillin Sodium Impurity; 3-(2-Chlorophenyl)-5-methyl-4-isoxazolecarboxylic acid ethyl ester; 4-Isoxazolecarboxylic acid, 3-(2-chlorophenyl)-5-methyl-, ethyl ester; Ethyl 3-(2-chlorophenyl)-5-methyl-1,2-oxazole-4-carboxylate 
