"(2R)-3,4-Dihydro-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol-d4; 2,8-Dimethyl-2-(4,8,12-trimethyltridecyl)-6-chromanol-d4; (+)-d-Tocopherol-d4; (2R,4'R,8'R)-d-Tocopherol-d3; (R,R,R)-d-Tocopherol-d4; 8-Methyltocol-d4; D-d-Tocophe",Tocopherol Stable Isotopes