N-[4-(2-{2-[4-(methanesulphonamido)phenoxyl]-N-methylethylamino}ethyl)phenyl]-methanesulphonamide

Dofetilide is a tertiary amino compound that is N-ethyl-N-methylethanamine substituted by a 4-[(methylsulfonyl)amino]phenoxy and a 4-[(methylsulfonyl)amino]phenyl group at the terminal carbon atoms respectively. It is used as an anti-arrhythmia drug. It has a role as an anti-arrhythmia drug and a potassium channel blocker. It is a sulfonamide, an aromatic ether and a tertiary amino compound.

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