4-Oxo-4-phenyl-2-butenoic acid583-06-2100 % similar 1,4-Diphenyl-2-butene-1,4-dione4070-75-172 % similar trans-1,2-Dibenzoylethylene959-28-472 % similar Cinnamic acid140-10-360 % similar Cinnamic acid621-82-960 % similar 1-Phenyl-2-buten-1-one495-41-057 % similar trans-Chalcone614-47-157 % similar Chalcone94-41-757 % similar 5-Phenyl-2,4-pentadienoic acid1552-94-955 % similar Isonitrosoacetophenone532-54-753 % similar 3-[1,1′-Biphenyl]-4-yl-2-propenoic acid13026-23-853 % similar N-Phenylmaleamic acid555-59-953 % similar 1,5-Diphenyl-2,4-pentadien-1-one614-57-352 % similar 4-Hydroxychalcone20426-12-451 % similar (2E)-4-(3,4-Dimethoxyphenyl)-4-oxo-2-butenoic acid80937-23-151 % similar Phenylglyoxal1074-12-050 % similar P-Phenylenediacrylic acid16323-43-650 % similar 2-Hydroxychalcone644-78-050 % similar Maleic acid110-16-748 % similar Fumaric acid110-17-848 % similar