英文别名5-Chloro-3-[(methylamino)sulfonyl]-2-thiophenecarboxylic Acid; 5-chloro-3-(methylsulfamoyl)thiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid,5-chloro-3-[(methylamino)sulfonyl]; Lornoxicam Impurity 9; Lornoxicam Impurity 10; 2-Thiophenecarboxylic acid, 5-chloro-3-[(methylamino)sulfonyl]-; 5-chloro-3-(N-methylsulfamoyl)thiophene-2-carboxylic acid 
