N-(fluoren-9-ylideneamino)aniline

2,4,6-三(苯基偶氮)苯酚

2,4-bis(phenylazo)-phenol

N-[(2,5-diphenylimidazol-4-ylidene)amino]aniline

(2E)-2-(phenylhydrazinylidene)pentanedioic acid