title: The spectral properties of some visual pigment analogs.
mesh_terms: D000447:Aldehydes; D000818:Animals; D002417:Cattle; D002845:Chromatography; D002942:Circular Dichroism; D008722:Methods; D008968:Molecular Conformation; D055585:Physical Phenomena; D010825:Physics; D012168:Retinal Pigments; D013057:Spectrum Analysis; D014801:Vitamin A
chemical_list: D000447:Aldehydes; D012168:Retinal Pigments; D014801:Vitamin A