1-(2,4-Dihydroxyphenyl)-3-(4-hydroxyphenyl)-2-propen-1-one 1-08-00-00707 (Beilstein Handbook Reference) 13745-20-5 2',4,4'-Trihydroxychalcone 2-PROPEN-1-ONE, 1-(2,4-DIHYDROXYPHENYL)-3-(4-HYDROXYPHENYL)- 4,2',4'-Trihydroxychalcone Acrylophenone, 2',4'-dihydroxy-3-(p-hydroxyphenyl)- BRN 1914295 EINECS 237-316-5