邻二甲苯

5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzo[a,e]cyclooctatetraene

1,2,4-trimethyl-5-[2-(2,4,5-trimethylphenyl)ethyl]benzene

4,5-dimethylphthalaldehyde

4,5-二甲基苯-1,2-二甲醇