DL-α-TOCOPHEROLD-α-TOCOPHEROL5,7,8-Trimethyltocol2,5,7,8-Tetramethyl-2-(4',8',12'-trimethyltridecyl)-6-chromanolVitamin EDL-α-生育酚维生素 EDL-all-rac-α-Tocopherol(±)-α-Tocopherol(±)-α-生育酚(±)-α-Tocopherolα-Tocopherolall-rac-α-TocopherolumDL-α-维生素 EDL-alpha-TocopherolDL-α-生育酚