3589-72-8 4-23-00-02701 (Beilstein Handbook Reference) 6-Methoxy-1-methyl-9H-pyrido(3,4-b)indole 6-Methoxyharman 6-Methoxyharmane 9H-Pyrido(3,4-b)indole, 6-methoxy-1-methyl- BRN 0178687 Coharmine Isoharmine NSC 92536