title: Isomeric steroidal isoxazolines by 1,3 dipolar cycloaddition.
mesh_terms: D000085:Acetates; D001665:Binding Sites; D055598:Chemical Phenomena; D002621:Chemistry; D003500:Cyclization; D007536:Isomerism; D008722:Methods; D009570:Nitriles; D010080:Oxazoles / Q000138:chemical synthesis*; D010087:Oxides; D010100:Oxygen; D011278:Pregnanes
chemical_list: D000085:Acetates; D009570:Nitriles; D010080:Oxazoles; D010087:Oxides; D011278:Pregnanes; D010100:Oxygen