2-[(Z)-3-phenylprop-2-enylidene]cyclopent-4-ene-1,3-dione

(5Z)-5-[(E)-3-phenylprop-2-enylidene]-1,3-thiazolidine-2,4-dione

16-phenylhexadeca-1,3,5,7,9,11,13,15-octaenylbenzene

2-(cinnamylideneamino)benzoic acid

4-(cinnamylideneamino)-N,N-dimethylaniline