1-(2,4-Dihydroxyphenyl)-3-(3,4-dihydroxyphenyl)-2-propen-1-one 2',3,4,4'-Tetrahydroxychalcone 2',4',3,4-Tetrahydroxychalcone 2-Propen-1-one, 1-(2,4-dihydroxyphenyl)-3-(3,4-dihydroxyphenyl)- 21849-70-7 3,4,2',4'-Tetrahydroxychalcone Acrylophenone, 2',4'-dihydroxy-3-(3,4-dihydroxyphenyl)- Chalcone, 2',3,4,4'-tetrahydroxy- (7CI,8CI)