4,7-dihydro-4,7-ethano-2-benzothiophene-1,3-dicarbaldehyde

4-溴-1-萘醛

ethyl 3-formyl-4-oxochromene-6-carboxylate

3-diphenylphosphanylbenzaldehyde

4-(dimethylamino)-2,3,5,6-tetrafluorobenzonitrile