英文别名5-Chloro-2-[(4-ethoxy-4-oxobutyl)[(4-methylphenyl)sulfonyl]amino]benzoic acid methyl ester; methyl 5-chloro-2-(N-(4-ethoxy-4-oxobutyl)-4-methylphenylsulfonamido)benzoate; Tolvaptan Impurity 22; Methyl 5-Chloro-2-[(4-ethoxy-4-oxobutyl)-(4-methylphenyl)sulfonylamino]benzoate; Benzoic acid, 5-chloro-2-[(4-ethoxy-4-oxobutyl)[(4-methylphenyl)sulfonyl]amino]-, methyl ester; 5-Chloro-2-[(3-ethoxycarbonyl-propyl)-(toluene-4-sulfonyl)-amino]-benzoic acid methyl ester; methyl 5-chloro-2-[N-(3-ethoxycarbonyl)propyl-N-p-toluenesulfonyl]aminobenzoate 
