1,2,3,4-四甲基苯

2-benzoyl-3,6-dimethylbenzoic acid

3,6-dimethyl-2-(2,4,6-trimethylbenzoyl)benzoic acid

4,7-dimethylisoindole-1,3-dione

(2,5-dimethylphenyl)-(2,4,6-trimethylphenyl)methanone