2,3,5,6-四甲基苯酚

((2,3,5,6-tetramethyl-1,4-phenylene)bis(oxy))bis(trimethylsilane)

1,4-二甲氧基-2,3,5,6-四甲基苯

2,3,5,6-tetramethyl-4-oxo-1-phenylthiocyclohexa-2,5-dienyl 2-chloroacetate

1,2,4,5-tetramethyl-3-(2-phenylethynyl)benzene