13608-14-5 4,4-Dimethyl-6-fluoro-1,2,3,4-tetrahydro-beta-carboline 5-23-07-00410 (Beilstein Handbook Reference) 9H-Pyrido(3,4-b)indole, 1,2,3,4-tetrahydro-4,4-dimethyl-6-fluoro- BRN 0526941