5-[[[(1S,2S)-1,2-bis(3,5-dimethylphenyl)-2-[(4-oxo-3-phenyl-2,3-dihydro-1H-inden-5-ylidene)methylamino]ethyl]amino]methylidene]-3-phenyl-2,3-dihydro-1H-inden-4-one;6-[[[(1R,2R)-2-[(3,5-dimethyl-6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]cyclohexyl]amino]methylidene]-2,4-dimethylcyclohexa-2,4-dien-1-one;3-[[[2-[[3-oxo-4-(2-phenylnaphthalen-1-yl)naphthalen-2-ylidene]methylamino]-1,2-diphenylethyl]amino]methylidene]-1-(2-phenylnaphthalen-1-yl)naphthalen-2-one