158930-17-7 1H-Carbazole-6-carboxamide, 2,3,4,9-tetrahydro-3-(methylamino)-, (R)-, butanedioate (1:1), monohydrate Butanedioic acid, compd. with (R)-2,3,4,9-tetrahydro-3-(methylamino)-1H-carbazole-6-carboxamide (1:1), monohydrate Frova Frovatriptan succinate [USAN] Frovatriptan succinate hydrate