The higher annulenones.
D000466:Alkadienes / Q000138:chemical synthesis; D000475:Alkenes / Q000138:chemical synthesis; D000480:Alkynes / Q000138:chemical synthesis; D001952:Bridged-Ring Compounds / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D007659:Ketones / Q000138:chemical synthesis; D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D010084:Oxidation-Reduction; D011199:Potentiometry; D011789:Quantum Theory
D000466:Alkadienes; D000475:Alkenes; D000480:Alkynes; D001952:Bridged-Ring Compounds; D007659:Ketones