3,4,5-三甲苯甲酸

2,3-dimethyl-terephthalic acid

1,3-二乙基-2,4,5,6-四甲基苯

2,3,4,6-四甲基苯酚

2,4,6,6-tetramethylcyclohexa-2,4-dien-1-one