3,7,8-trihydroxy-2-phenylchromen-4-one

7,8-二羟基黄酮

7,8-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one

3,4-二羟基-2-甲氧基苯乙酮

2'-羟基-3',4'-二甲氧基苯乙酮