维生素A酸

β-胡萝卜素

2-(2,6,6-trimethylcyclohexen-1-yl)acetic acid

2,2-Diethoxy-4,4,7a-trimethyl-4,5,6,7,7a-pentahydro-2H-benzofuran

(3AR,7AS)-2-oxo-3-phenylselenyl-4,4,7a-trimethyloctahydrobenzofuran