1-(3,5-dimethoxyphenyl)-2-(4-methoxyphenyl)ethanone InChI=1/C17H18O4/c1-19-14-6-4-12(5-7-14)8-17(18)13-9-15(20-2)11-16(10-13)21-3/h4-7,9-11H,8H2,1-3H ethanone, 1-(3,5-dimethoxyphenyl)-2-(4-methoxyphenyl)-