theta,theta)]-theta-(thet

D-ALPHA-TOCOPHEROL QUINONE

5-cyclohexadiene-1,4-dione,2-(3-hydroxy-3,7,11,15-tetramethylhexadecyl)-[

2-[(3R,7R,11R)-3-Hydroxy-3,7,11,15-tetramethylhexadecyl]-2,5-cyclohexadiene-1,4-dione