英文别名4-chloranylpyridine-3-sulfonic acid; 4-chloro-3-pyridinesulfonic acid; 3-Pyridinesulfonicacid,4-chloro; 4-chloro-pyridine-3-sulfonic acid; 4-Chloropyridinesulfonic Acid; Torsemide Impurity SM1-Z5; 3-Pyridinesulfonic acid, 4-chloro-; Torasemide Impurity 19; 4-Chloropyridine-3-sulfonicaci 
