4-hydroxy-2,3,4-triphenylcyclopent-2-ene-1-one
2-Methylnitrono-3,4,5-triphenyl-cyclopenten-(3)-on-(1)
2-Methoxyimino-3,4,5-triphenyl-cyclopenten-(3)-on-(1)
(E)-3,4,5,3',4',5'-Hexaphenyl-bicyclopentylidene-3,3'-diene-2,2'-dione
2,3,4-triphenyl-cyclopent-3-enone
2-Piperidino-3,4,5-triphenylcyclopentadienon
2-Morpholino-3,4,5-triphenylcyclopentadienon
2-Diethylamino-3,4,5-triphenylcyclopentadienon
2-Hydroxy-2-carbaethoxydiazomethyl-3,4,5-triphenyl-cyclopenten-(4)-on-(1)
2-Methylnitrono-3,4,5-triphenyl-cyclopenten-(3)-on-(1)