title: Carcinogenic nitrogen compounds. LVII. Hexacyclic acridines derived from phenanthrene and fluorene.
mesh_terms: D000166:Acridines; D002273:Carcinogens; D055598:Chemical Phenomena; D002621:Chemistry; D002625:Chemistry, Organic; D005449:Fluorenes; D009584:Nitrogen; D055601:Organic Chemistry Phenomena; D010616:Phenanthrenes
chemical_list: D000166:Acridines; D002273:Carcinogens; D005449:Fluorenes; D010616:Phenanthrenes; D009584:Nitrogen