Heterocyclic Compounds With Nitrogen Hetero-atom[s] Only, Containing In The Structure A Quinoline Or Isoquinoline Ring-system, Whether Or Not Hydrogenated, But Not Further Fused (excl. Levorphanol "inn" And Its Salts, And Inorganic Or Organic Compounds Of Mercury)
Heterocyclic Compounds With Nitrogen Hetero-atom[s] Only, Containing In The Structure A Quinoline Or Isoquinoline Ring-system, Whether Or Not Hydrogenated, But Not Further Fused