英文别名N-Ethyl-p-toluenesulfonamide; Benzenesulfonamide, N-ethyl-4-methyl-; Ethyl toluenesulfonamide; Ethylp-toluenesulfonamide; n-ethyl-4-methyl-benzenesulfonamid; N-Ethyl-4-methyl-benzenesulfonamide; N-Ethyltoluene-4-sulfonamide; Brinzolamide Impurity 1; n-ptsa 
