9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine, N2,N7,N2',N7'-tetrakis(4-methoxyphenyl)-

9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine, N2,N7,N2',N7'-tetrakis(4-methoxyphenyl)- · CAS 1373833-31-8