title: The structure of porphyroxine (papaverrubine D).
mesh_terms: D000478:Alkylation; D055598:Chemical Phenomena; D002621:Chemistry; D002625:Chemistry, Organic; D002855:Chromatography, Thin Layer; D009892:Opium; D055601:Organic Chemistry Phenomena; D010207:Papaver / Q000032:analysis*; D010946:Plants, Medicinal
chemical_list: D009892:Opium