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4-Methoxycinnamic acid943-89-540 % similar trans-4-Fluorocinnamic acid14290-86-940 % similar 3,5-Difluorocinnamic acid147700-58-140 % similar 4-Chlorocinnamic acid1615-02-740 % similar 3-Methoxycinnamic acid17570-26-240 % similar 4-Methylcinnamic acid1866-39-340 % similar 3-(4-Aminophenyl)-2-propenoic acid2393-18-240 % similar 3-(4-Fluorophenyl)-2-propenoic acid459-32-540 % similar 2,5-Dihydroxyacetophenone490-78-840 % similar 3-Methoxycinnamic acid6099-04-340 % similar 3-(2-Nitrophenyl)-2-propenoic acid612-41-940 % similar 3,5-Difluorocinnamic acid84315-23-140 % similar Echinatin34221-41-540 % similar 3-Methylcinnamic acid14473-89-340 % similar 3-(3-Methylphenyl)-2-propenoic acid3029-79-640 % similar 2′,4,4′,6′-Tetrahydroxychalcone73692-50-940 % similar 2,2',4,4'-Tetrahydroxybenzophenone131-55-539 % similar 3-(2,3,4,5,6-Pentafluorophenyl)-2-propenoic acid719-60-839 % similar Hydroxyquinol533-73-339 % similar 2-Bromo-4,5-methylenedioxycinnamic acid27452-00-239 % similar