Synonyms: Ethanesulfonic acid, 2-((8-(6-(hydroxymethyl)-2,6-dimethyl-3-oxo-1-cyc lohexen-1-yl)-2,6-dimethyl-1-oxo-5,7-octadienyl)amino)-;retinotaurine;(5E,7E)-8-[6-(Hydroxymethyl)-2,6-dimethyl-3-oxo-1-cyclohexenyl]-2,6-dimethyl-N-(2-sulfonatoethyl)-5,7-octadienamide