N-methyl-1-(3-(2-(methylamino)ethyl)-1H-indol-5-yl)methanesulfonamide succinate;Sumatriptan Impurity B Hemisuccinate;N-Desmethyl Sumatriptan Hemisuccinate
N-methyl-1-(3-(2-(methylamino)ethyl)-1H-indol-5-yl)methanesulfonamide succinate;Sumatriptan Impurity B Hemisuccinate;N-Desmethyl Sumatriptan Hemisuccinate