6-methoxy-2-(4-methoxyphenyl)-2,3-dihydrochromen-4-one

1-(2-hydroxy-5-methoxyphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one

5-甲氧基-3H-苯并恶唑-2-酮

2'-acetoxy-5'-methoxyacetophenone