Sinapinic acid530-59-6100 % similar (E)-3,4,5-Trimethoxycinnamic acid20329-98-075 % similar 3,4,5-Trimethoxycinnamic acid90-50-675 % similar 3,4-Dimethoxycinnamic acid14737-89-468 % similar 3′,4′-Dimethoxycinnamic acid2316-26-968 % similar Ferulic acid1135-24-668 % similar Ferulic acid537-98-468 % similar 3-(3,5-Dimethoxyphenyl)-2-propenoic acid16909-11-865 % similar Isoferulic acid537-73-563 % similar 3-(2,4,5-Trimethoxyphenyl)-2-propenoic acid24160-53-059 % similar 3-[4-(Acetyloxy)-3-methoxyphenyl]-2-propenoic acid2596-47-658 % similar 4-Methoxycinnamic acid830-09-156 % similar trans-4-Methoxycinnamic acid943-89-556 % similar 3-Methoxycinnamic acid6099-04-355 % similar trans-2-Methoxycinnamic acid1011-54-754 % similar 2-Methoxycinnamic acid6099-03-254 % similar 3-(2,5-Dimethoxyphenyl)-2-propenoic acid10538-51-953 % similar (2E)-3-(2,4-Dimethoxyphenyl)-2-propenoic acid16909-09-453 % similar 2,4-Dimethoxycinnamic acid6972-61-853 % similar 3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid33130-03-952 % similar