5,8-dimethoxy-4-oxo-2,3-dihydro-1H-naphthalene-2-carboxylic acid

3-[(2,5-dimethoxyphenyl)methyl]oxolane-2,5-dione

2,5-二甲氧基二苯甲酮

6-溴-5,8-二[(2-甲氧基乙氧基)甲氧基]-2,2-二甲基-2H-1-苯并吡喃

4-溴-2,5-二甲氧基-苯酚