40516-49-2 Retinoic acid, 3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-1-benzopyran-6-yl ester, (2R-(2R*(4R*,8R*)))- Toco-retinoate Tocopheryl retinoate alpha-Tocopheryl retinoate