Source:http://linkedlifedata.com/resource/umls/id/C0085210
MSH: A trans-carotenoid pigment widely distributed in nature. The compound is used as an oral suntanning agent and as a food and drug coloring agent. Oral ingestion of the compound causes canthaxanthin retinopathy.,NCI: Carotenoid having a chemical structure similar to beta-carotene with carbonyl (C=O) functions at the number 4 and 4' carbon atoms.