13758-33-3 4-Methyl-6-fluoro-1,2,3,4-tetrahydro-beta-carboline 5-23-07-00383 (Beilstein Handbook Reference) 9H-Pyrido(3,4-b)indole, 1,2,3,4-tetrahydro-6-fluoro-4-methyl- BRN 0522677