Sumatriptan Succinate Related Impurities

NA

(3-[2-(Dimethylamino)ethyl]-N-methylindole-5-methanesulfonamide succinate (1:1)) and ([3-(2-aminoethyl)-1H-indol-5-yl]-N-methylmethanesulfonamide) and (1-{3-[2-(dimethylamino)ethyl]-1-(hydroxymethyl)-1H-indol-5-yl}-N-methylmethanesulfonamide) and (N-Methyl-1-{3-[2-(dimethylamino N-oxide)ethyl]-1H-indol-5-yl}methanesulfonamide) or([3-[2-(Dimethylamino-N-oxide)ethyl]-1H-indol-5-yl]-N-methylmethanesulfonamide) and (N-Methyl-1-{3-[2-(methylamino)ethyl]-1H-indol-5-yl}methanesulfonamide) or([3-[2-(Methylamino)ethyl]-1H-indol-5-yl]-N-methylmethanesulfonamide) (USP);