2,3,5,6-4四甲基对苯二甲酸

2,3,5,6-tetramethylbenzene-1,4-dicarbonitrile

4-bromo-2,3,5,6-tetramethylbenzonitrile

1,2,4,5-四甲基苯

tris(4-iodo-2,3,5,6-tetramethylphenyl)borane