9,9'-Spirobi[9H-fluorene]-2,7-dicarbonitrile, 2',7'-bis[bis(4-methylphenyl)amino]-

9,9'-Spirobi[9H-fluorene]-2,7-dicarbonitrile, 2',7'-bis[bis(4-methylphenyl)amino]- · CAS 1356154-65-8