16502-01-5 2,3,4,9-Tetrahydro-1H-pyrido(3,4-b)indole 58911-02-7 9H-1,2,3,4-Tetrahydropyrido(3,4-b)indole 9H-Pyrido(3,4-b)indole, 2,3,4,9-tetrahydro- Noreleagnine Tetrahydro-beta-carboline Tetrahydronorharmane Triptoline Tryptoline