4-[4-(dimethylamino)phenyl]imino-2,5-dimethylcyclohexa-2,5-dien-1-one

2,5-二甲基-4-甲氧基苯甲酸

3-(2,5-dimethylphenoxy)propane-1,2-diol

9-oxofluorene-2,6-dicarboxylic acid

2,5,8-三甲基-4H-1-苯并吡喃-4-酮