(R)-(+)-6-羟基-2,5,7,8-四甲基色满-2-羧酸

D-α-托可醌

天然维生素E

(S)-4-(2',5'-dimethoxy-3',4',6'-trimethylphenyl)-2-hydroxy-2-methylbutanoic acid

4-(2,5-Dimethoxy-3,4,6-trimethylphenyl)-2-oxobutansaeure-[(1S)-1-(benzylcarbamoyl)-ethyl]ester