Torsemide USP RC A

4-(3-Methylphenyl)amino-3-pyridinesulfonamide|4-(m-Tolylamino)pyridine-3-sulfonamide|Torsemide Impurity B; 4-[(3-Methylphenyl)amino]-3-pyridinesulfonamide ; 3-Sulfonamido-4-(3-methylanilino)pyridine ;