.alpha.-Tocopherol succinate 120246-47-1 4345-03-3 53532-12-0 55134-51-5 AIDS-017868 AIDS017868 ATS Butanedioic acid, mono[(2R)-3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-yl] ester D-.alpha.-Tocopheryl succinate NSC173849 Vitamin E succinate