1,3-Bis(2-hydroxyphenyl)-2-propen-1-one 15131-80-3 2,2'-Dihydroxychalcone 2-Propen-1-one, 1,3-bis(2-hydroxyphenyl)- Acrylophenone, 2'-hydroxy-3-(o-hydroxyphenyl)- Chalcone, 2,2'-dihydroxy- (6CI,7CI,8CI)