2-Cyano-3-(1-phenyl-1H-indol-3-yl)-2-propenoic acid56396-35-1100 % similar α-Cyanocinnamic acid1011-92-353 % similar α-Cyano-4-hydroxycinnamic acid28166-41-844 % similar 2-Cyano-3-(3-hydroxyphenyl)-2-propenoic acid54673-07-343 % similar 3-Formyl-1H-indole-1-acetic acid138423-98-033 % similar α-Methylcinnamic acid1199-77-531 % similar 2-Fluoro-3-phenyl-2-propenoic acid350-90-331 % similar Alpha-phenylcinnamic acid91-48-531 % similar 1-Acetylindole-3-carboxaldehyde22948-94-331 % similar α-Phenylacrylic acid492-38-631 % similar