2-[(4-methoxyphenyl)methylidene]-6-[[3-[(4-methoxyphenyl)methylidene]-2-oxocyclohexyl]methyl]cyclohexan-1-one

4,5-dibenzylidene-2,3,6,7,8,9-hexahydro-1H-xanthene

4,5-bis(furan-2-ylmethylidene)-2,3,6,7,8,9-hexahydro-1H-xanthene

4,5-bis(furan-2-ylmethylidene)-1,2,3,6,7,8-hexahydroacridine

2-benzylidene-6-[(3-benzylidene-2-oxocyclohexyl)methyl]cyclohexan-1-one