trans-3,4-Difluorocinnamic acid112897-97-972 % similar 3,4-Dichlorocinnamic acid1202-39-772 % similar 3-(3-Bromo-4-fluorophenyl)-2-propenoic acid160434-49-165 % similar (2E)-3-(3-Fluorophenyl)-2-propenoic acid20595-30-661 % similar 3-(3-Fluorophenyl)-2-propenoic acid458-46-861 % similar 3-(3,4,5-Trifluorophenyl)-2-propenoic acid152152-19-756 % similar P-Phenylenediacrylic acid16323-43-656 % similar trans-4-Fluorocinnamic acid14290-86-955 % similar 4-Chlorocinnamic acid1615-02-755 % similar 3-(4-Fluorophenyl)-2-propenoic acid459-32-555 % similar 3-(2,6-Dichlorophenyl)-2-propenoic acid5345-89-155 % similar (2E)-3-(3-Chlorophenyl)-2-propenoic acid14473-90-655 % similar 3-(3-Chlorophenyl)-2-propenoic acid1866-38-255 % similar 2-Chloro-4-fluorocinnamic acid133220-86-755 % similar trans-2,5-Difluorocinnamic acid112898-33-654 % similar 3-(4-Chloro-2-fluorophenyl)-2-propenoic acid202982-65-853 % similar (2E)-3-(4-Chloro-2-fluorophenyl)-2-propenoic acid312693-55-353 % similar 3-Chloro-4-fluorobenzaldehyde34328-61-553 % similar Caffeic acid331-39-553 % similar 2-Chlorocinnamic acid3752-25-853 % similar