N-Phenylmaleamic acid555-59-9100 % similar (2Z)-4-Oxo-4-[(phenylmethyl)amino]-2-butenoic acid15329-69-861 % similar 4-Oxo-4-phenyl-2-butenoic acid583-06-253 % similar Cinnamic acid621-82-952 % similar 5-Phenyl-2,4-pentadienoic acid1552-94-947 % similar 3-[1,1′-Biphenyl]-4-yl-2-propenoic acid13026-23-846 % similar (2Z)-4-[(Aminocarbonyl)amino]-4-oxo-2-butenoic acid105-61-344 % similar Maleic acid110-16-744 % similar Fumaric acid110-17-844 % similar Poly(maleic acid)26099-09-244 % similar P-Phenylenediacrylic acid16323-43-642 % similar 2-Formylcinnamic acid130036-17-842 % similar O-Coumaric acid583-17-542 % similar O-Coumaric acid614-60-842 % similar 3-(2-Bromophenyl)-2-propenoic acid7499-56-142 % similar 2-Methylcinnamic acid2373-76-441 % similar 2-Chlorocinnamic acid3752-25-841 % similar 3-(2-Fluorophenyl)-2-propenoic acid451-69-441 % similar 3-(2-Pyridinyl)-2-propenoic acid7340-22-941 % similar 3-(1-Naphthalenyl)-2-propenoic acid13026-12-540 % similar