(2E)-3-(3-Fluorophenyl)-2-propenoic acid20595-30-674 % similar 3-(3-Fluorophenyl)-2-propenoic acid458-46-874 % similar 3-(3,4,5-Trifluorophenyl)-2-propenoic acid152152-19-769 % similar trans-4-Fluorocinnamic acid14290-86-968 % similar 3-(4-Fluorophenyl)-2-propenoic acid459-32-568 % similar P-Phenylenediacrylic acid16323-43-659 % similar 3-(2,3,5-Trifluorophenyl)-2-propenoic acid237761-79-457 % similar trans-2,5-Difluorocinnamic acid112898-33-656 % similar Cinnamic acid621-82-953 % similar 3-(3,5-Dimethoxyphenyl)-2-propenoic acid16909-11-853 % similar 2-Chloro-4-fluorocinnamic acid133220-86-753 % similar 3-(2-Bromo-5-fluorophenyl)-2-propenoic acid202865-70-153 % similar 3-(3-Bromo-4-fluorophenyl)-2-propenoic acid160434-49-151 % similar (E)-3,4,5-Trimethoxycinnamic acid20329-98-050 % similar 3-(4-Formylphenyl)-2-propenoic acid23359-08-250 % similar Caffeic acid331-39-550 % similar Caffeic acid501-16-650 % similar P-Coumaric acid501-98-450 % similar 3-(4-Pyridinyl)-2-propenoic acid5337-79-150 % similar P-Coumaric acid7400-08-050 % similar