2,5-dimethoxy-3-nitrobenzaldehyde

1-溴-2,5-二甲氧基-4-甲基苯

3-(2,5-二甲氧基-苯基)-丙醛

2-bromo-3-[tert-butyl(dimethyl)silyl]oxy-6-hydroxybenzaldehyde

6-methoxy-2-oxochromene-3-carboxylic acid