2',4,4',6'-Tetrahydroxychalcone 2-Propen-1-one, 3-(4-hydroxyphenyl)-1-(2,4,6-trihydroxyphenyl)- 3-(4-Hydroxyphenyl)-1-(2,4,6-trihydroxyphenyl)-2-propen-1-one 73692-50-9 Chalconaringenin Naringenin chalcone