1,7-Bis(2,4-dimethoxy-5-bromphenyl)-heptan-1,7-dion

2-羟基-4-甲氧基苯甲醛

2-hydroxy-4-methoxy-5-nitro-benzaldehyde

5-溴-2-羟基-4-甲氧基苯甲醛

2,4-二甲氧基苯甲醛