2-(8-(6-(Hydroxymethyl)-2,6-dimethyl-3-oxo-1-cyclohexen-1-yl)-2,6-dimethyl-5,7-octadienamido)ethanesulfonic acid 81957-68-8 Ethanesulfonic acid, 2-((8-(6-(hydroxymethyl)-2,6-dimethyl-3-oxo-1-cyclohexen-1-yl)-2,6-dimethyl-1-oxo-5,7-octadienyl)amino)- Retinotaurine