title: Polycyclic systems. Part 17. Proton nuclear magnetic resonance spectra of some 11H-indeno[2,1-a]phenanthrene derivatives; Structure of the C26 hydrocarbon (second Diels hydrocarbon) from cholesterol.
mesh_terms: D002784:Cholesterol; D007192:Indenes; D009682:Magnetic Resonance Spectroscopy; D010616:Phenanthrenes
chemical_list: D007192:Indenes; D010616:Phenanthrenes; D002784:Cholesterol