1-(2-羟基-6-甲氧基苯基)乙基-1-酮

2,6-二甲氧基苯乙酮

5-hydroxy-4-oxochromene-3-carbaldehyde

5-hydroxy-2,2-dimethyl-1,3-benzodioxin-4-one

4-氟间苯二酚