杜醌

4-hydroxy-2,3,5,6-tetramethylphenyl acetate

4,4'-dihydroxy-2,2',3,3',5,5',6,6'-octamethylbiphenyl

4'-hydroxy-2,2',3,3',5,5',6,6'-octamethyl-4-oxo-3,4-dihydro-[1,1'-biphenyl]-3-yl acetate

2,3,4,6-四甲基苯酚