(E)-1-(2,4-Dihydroxy-3-methoxyphenyl)-3-(4-methoxyphenyl)-2-propen-1-one 124704-82-1 2',4'-Dihydroxy-3',4-dimethoxychalcone 2-Propen-1-one, 1-(2,4-dihydroxy-3-methoxyphenyl)-3-(4-methoxyphenyl)-, (E)- Kukulkanin A