title: A proton and carbon-13 nuclear magnetic resonance spectroscopy study of the conformation of a protonated 11-cis-retinal Schiff base.
mesh_terms: D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D012172:Retinaldehyde; D012545:Schiff Bases; D013053:Spectrophotometry; D014801:Vitamin A / Q000031:analogs & derivatives
chemical_list: D012545:Schiff Bases; D014801:Vitamin A; D012172:Retinaldehyde