title: A 13C-NMR. Study of cis-trans isomeric vitamins A, carotenoids and related compounds.
mesh_terms: D002338:Carotenoids; D009682:Magnetic Resonance Spectroscopy; D013237:Stereoisomerism; D014801:Vitamin A / Q000031:analogs & derivatives*
chemical_list: D014801:Vitamin A; D002338:Carotenoids