title: Novel analgesics and molecular rearrangements in the morphine-thebaine group. XIX. Further Diels-Alder adducts of thebaine.
mesh_terms: D000475:Alkenes; D055598:Chemical Phenomena; D002621:Chemistry; D009682:Magnetic Resonance Spectroscopy; D013797:Thebaine
chemical_list: D000475:Alkenes; D013797:Thebaine