N-ETHYL-N-HEPTYL-4-(METHYLSULFONYL)AMINO--OXO-BENZENEBUTANAMIDE;N-ETHYL-N-HEPTYL-4-[(METHYLSULFONYL)AMINO]-G-OXO-BENZENEBUTANAMIDE;N-ETHYL-N-HEPTYL-4-[(4-MESYLAMINO)PHENYL]-4-OXOBUTANAMIDE;N-Ethyl-N-heptyl-4-[(methylsulfonyl)amino]-gamma-oxo-benzenebutanamide;1,4-Diketo Ibutilide;N-Ethyl-N-heptyl-4-(4-(MethylsulfonaMido)phenyl)-4-oxobutanaMide;butilide Related CoMpound A;Ibutilide Related CoMpound A