title: The preparation of 11-cis-retinal.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D012172:Retinaldehyde / Q000302:isolation & purification*; D013472:Sunlight; D014801:Vitamin A / Q000031:analogs & derivatives*
chemical_list: D014801:Vitamin A; D012172:Retinaldehyde