(2R,4'R,8'R)-.alpha.-Tocopherol (all-R)-.alpha.-Tocopherol .alpha.-Tocopherol .alpha.-Tokoferol 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-, [2R-[2R*(4R*,8R*)]]- 5,7,8-Trimethyltocol 59-02-9 Almefrol Antisterility vitamin Aquasol E Denamone Emipherol Endo E Ephynal Eprolin Eprolin S Epsilan Esorb Etamican Etavit Evion Evitaminum Ilitia Lan-E Med-E NSC20812 Phytogermine Profecundin Spavit E Syntopherol Tokopharm Vascuals Verrol Vi-E Vita E Vitamin E Vitaplex E Vitayonon Viteolin [It may consist of d- or dl-.alpha.-tocopherol (C29H50O2), d- or dl-.alpha.-tocopheryl acetate(C31H52O3), d- or dl-.alpha.-tocopheryl acid succinate (C33H54O5), mixed tocopherols concentrate, or d-.alpha.-tocopheryl acetate concentrate.] component of E and C-Level component of Estopherol d-.alpha.-Tocopherol