Enamine salts of retinals with secondary amines.
D000588:Amines / Q000032:analysis*; D000641:Ammonia; D002251:Carbon Tetrachloride; D055598:Chemical Phenomena; D002621:Chemistry; D006851:Hydrochloric Acid; D006863:Hydrogen-Ion Concentration; D007097:Imines; D007211:Indoles; D007259:Infrared Rays; D012168:Retinal Pigments / Q000032:analysis*; D013057:Spectrum Analysis; D014801:Vitamin A / Q000032:analysis*
D000588:Amines; D007097:Imines; D007211:Indoles; D012168:Retinal Pigments; D014801:Vitamin A; D000641:Ammonia; D002251:Carbon Tetrachloride; D006851:Hydrochloric Acid