6,7-dihydroxy-3-phenylchromen-4-one

双环[4.2.0]辛-1(6),2,4-三烯-8-甲醛

2-三氟甲基喹啉-4-甲醛

5,8-dimethoxy-3,4-dihydronaphthalene-2-carbaldehyde

Methyl 2-(2-formyl-1H-pyrrol-1-yl)benzoate