9-benzyloxy-2,7-dihydroxy-3-methoxy-6H-benzo[c]chromen-6-one

2-甲氧基对苯二酚

2,4,6-三羟基苯甲酸

5,7-二羟基-2,2-二甲基-4H-1,3-苯并二噁烷-4-酮

7-(benzyloxy)-5-hydroxy-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one