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4-Oxo-4-phenyl-2-butenoic acid583-06-233 % similar N-Acetyl-L-histidine2497-02-132 % similar Alpha-methyl-dl-histidine dihydrochloride32381-18-332 % similar 3-(2,5-Dimethoxyphenyl)-2-propenoic acid10538-51-932 % similar 2',5'-Dimethoxycinnamic acid161282-95-732 % similar (2E)-3-(2,4-Dimethoxyphenyl)-2-propenoic acid16909-09-432 % similar 2-Bromo-4,5-methylenedioxycinnamic acid27452-00-232 % similar 3-[2-(Acetyloxy)phenyl]-2-propenoic acid55620-18-332 % similar 3-(5-Nitro-2-furyl)acrylic acid6281-23-832 % similar 3-(2-Ethoxyphenyl)-2-propenoic acid69038-81-932 % similar 2,4-Dimethoxycinnamic acid6972-61-832 % similar 2',3'-Dimethoxycinnamic acid7345-82-632 % similar 3-(2,3-Dimethoxyphenyl)-2-propenoic acid7461-60-132 % similar Methyl 1H-imidazole-5-carboxylate17325-26-732 % similar Imidazolyl-4-ethanol872-82-232 % similar Acrylic acid-maleic acid copolymer29132-58-931 % similar Histidylglycine2578-58-731 % similar Ferulic acid1135-24-631 % similar 2-Fluoro-5-(trifluoromethyl)cinnamic acid247113-91-331 % similar 5-Bromo-2-methoxycinnamic acid40803-53-031 % similar