N-(4-(2-((4-(methylsulfonamido)phenethyl)amino)ethoxy)phenyl)methanesulfonamide-D4;N-[4-[2-[[2-[4-[(Methylsulfonyl)amino]phenoxy]ethyl]amino]ethyl]phenyl]methanesulfonamide-d4; UK 71385;N-Desmethyl Dofetilide-d4
N-(4-(2-((4-(methylsulfonamido)phenethyl)amino)ethoxy)phenyl)methanesulfonamide-D4;N-[4-[2-[[2-[4-[(Methylsulfonyl)amino]phenoxy]ethyl]amino]ethyl]phenyl]methanesulfonamide-d4; UK 71385;N-Desmethyl Dofetilide-d4