(1E,4Z,6E)-5-hydroxy-1-(4hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)hepta-1,4,6-trien-3-one Demethoxycurcumin InChI=1/C20H18O5/c1-25-20-12-15(6-11-19(20)24)5-10-18(23)13-17(22)9-4-14-2-7-16(21)8-3-14/h2-13,21-22,24H,1H3/b9-4+,10-5+,17-13