2,2'-Spiro-DBP , 2,2'-Bis[N,N-bis(biphenyl-4-yl)aMino]9,9-spir

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