1-Methyl-2,3,4,9-tetrahydro-1H-.beta.-carbolin-6-ol 3000-36-0 6-Hydroxy-1,2,3,4-tetrahydroharmane 6-Hydroxytetrahydroharman AIDS-125953 AIDS125953 NSC92534 {1H-Pyrido[3,4-b]indol-6-ol,} 2,3,4,9-tetrahydro-1-methyl-