N2,N2,N2',N2'-四([1,1'-联苯]-4-基)-9,9'-螺双[9H-芴]-2,2'-二胺

2,2'-Spiro-DBP , 2,2'-Bis[N,N-bis(biphenyl-4-yl)aMino]9,9-spir · CAS 1174006-39-3