77837-56-0 Benzoic acid, 4-(2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-butadienyl)-, ethyl ester, (E,E)- Ethyl (E,E)-4-(2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-butadienyl)benzoate Ethyl-all-trans-4-(2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-butadien-1-yl)benzoate trans-Aryltriene analog of retinoic acid ethyl ester