. . . . . . . . . . "1-Methyl-4,9-dihydro-3H-pyrido[4,3-b]indol-7-ol" . . . . . "Harmalol" . "Harmalol" . "1-Methyl-4,9-dihydro-3H-\u03B2-carbolin-7-ol" . . . . . "harmalol" .