title: Photochemistry of polyenes.
mesh_terms: D007834:Lasers; D010777:Photochemistry; D010782:Photolysis; D011090:Polyenes; D012172:Retinaldehyde; D013057:Spectrum Analysis; D013237:Stereoisomerism; D014801:Vitamin A / Q000031:analogs & derivatives
chemical_list: D011090:Polyenes; D014801:Vitamin A; D012172:Retinaldehyde