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2,4,5-Trifluorocinnamic acid247170-17-842 % similar (2E)-3-(2,4-Dimethoxyphenyl)-2-propenoic acid16909-09-442 % similar 2,4-Dimethoxycinnamic acid6972-61-842 % similar 2-Chlorocinnamic acid3752-25-841 % similar 3-(2-Fluorophenyl)-2-propenoic acid451-69-441 % similar 3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid33130-03-940 % similar 4,5-Dimethoxy-2-nitrocinnamic acid20567-38-840 % similar 4-Bromocinnamic acid1200-07-340 % similar m-Bromocinnamic acid14473-91-739 % similar 3-(3-Bromophenyl)-2-propenoic acid32862-97-839 % similar 3-(2,5-Dihydroxyphenyl)-2-propenoic acid636-01-139 % similar 2,4-Difluorocinnamic acid774-73-239 % similar 2,4-Difluorocinnamic acid94977-52-339 % similar 3-[2-(Acetyloxy)phenyl]-2-propenoic acid55620-18-339 % similar 2',3'-Dimethoxycinnamic acid7345-82-639 % similar 3-(2,3-Dimethoxyphenyl)-2-propenoic acid7461-60-139 % similar 2-Formylcinnamic acid130036-17-839 % similar o-Coumaric acid583-17-539 % similar (E)-O-Coumaric acid614-60-839 % similar p-Phenylenediacrylic acid16323-43-638 % similar