天然维生素E

10-methylacridin-10-ium

2,3,5,6-Tetramethyl-cyclohexa-2,5-diene-1,4-diol

4-hydroxy-2,4,6-trimethylcyclohexa-2,5-dien-1-one

4-Hydroxy-3,4,5,5-tetramethyl-2-cyclohexen-1-on