158930-09-7 1H-Carbazole-6-carboxamide, 2,3,4,9-tetrahydro-3-(methylamino)-, (3R)-, butanedioate (1:1) 1H-Carbazole-6-carboxamide, 2,3,4,9-tetrahydro-3-(methylamino)-, (R)-, butanedioate (1:1) Butanedioic acid, compd. with (3R)-2,3,4,9-tetrahydro-3-(methylamino)-1H-carbazole-6-carboxamide (1:1) Frova Frovatriptan succinate SB-209509ax VML 251