phenyl 4,6-O-(2,5-dihydroxybenzylidene)-β-D-glucopyranoside

2-(2,5-dihydroxyphenyl)-5,5-dimethyl-1,3-dioxane

5-溴水杨醛

2,5-二甲氧基苯甲醛

2,5-bis(tert-butyldimethylsilyloxy)benzaldehyde