β-胡萝卜素

β-ionylideneacetaldehyde

(4-hydroxy-2-methylbut-2-enyl)-triphenylphosphanium,bromide

retinal

((1E,3E,5E)-4-methyl-6-(2,6,6-trimethylcyclohex-1-en-1-yl)hexa-1,3,5-trien-1-yl)boronic acid