Geometrical isomers of retinene.
D006358:Hot Temperature; D007536:Isomerism; D008027:Light; D045792:Norisoprenoids; D010860:Pigments, Biological; D012160:Retina; D012172:Retinaldehyde
D045792:Norisoprenoids; D010860:Pigments, Biological; C011879:alpha-ionone; D012172:Retinaldehyde
PIGMENTS; RETINA