Letter: 7-cis,9-cis- and 7-cis,9-cis,13-cis-retinal. A stereoselective synthesis of 7-cis,9-cis-beta-ionylideneacetaldehyde.
D008722:Methods; D012172:Retinaldehyde / Q000138:chemical synthesis; D013237:Stereoisomerism; D014801:Vitamin A / Q000031:analogs & derivatives*
D014801:Vitamin A; D012172:Retinaldehyde