维生素A酸

(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

3-甲酰基-2-丁烯酸乙酯

rac-(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-3-hydroxy-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoic acid ethyl ester

4-甲基-5-羟基呋喃-2-酮