Cinnamic acid621-82-931 % similar 1,9-Diphenylnona-1,3,6,8-tetraen-5-one622-21-931 % similar 4-Nitrochalcone1222-98-631 % similar Ethyl cinnamate103-36-630 % similar Tris(dibenzylideneacetone)dipalladium chloroform adduct52522-40-430 % similar Isopropyl cinnamate7780-06-530 % similar 1,2-Naphthoquinone524-42-530 % similar