8-(1,3-dithian-2-yl)-3,7-dimethyl-1-(2,6,6-trimethyl-cyclohex-1-enyl)octa-1E,7E-dien-4-yne-3,6-diol

(Z)-3-(1,3-dithian-2-yl)-2-methylpropenal

7-cis-retinal

(1E,3E)-3-methyl-7-methylene-1-(2,6,6-trimethyl-cyclohex-1-enyl)-9,9-diethoxynona-1,3-dien-5-ol

11-顺式视黄醛