(2Z,4E,6Z,8E)-3,7-二甲基-9-(2,6,6-三甲基-3-氧代-1-环己烯基)壬-2,4,6,8-四烯醛

diketoretinal

5,6-环氧视黄醛

4-oxo-13-cis-retinal

4-hydroxy-13-cis-retinal