(.+-.)-Med-E .alpha. Tocopherol .alpha.-Tocopherol 2074-53-5 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-, [2R*(4R*,8R*)]-(.+-.)- DL-Tocopherol Ephynal IDO-E NSC82623 Waynecomycin d-.alpha.-Tocopherol