(2,4-dihydroxy-phenyl)-[4-(4-hydroxy-phenyl)-[1,2]dioxetan-3-yl]-methanone

chalaurenol

2,4-二羟基苯乙酮

5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one

对羟基苯甲醛