9,9'-Spirobi[9H-fluoren]-2-amine, N-[1,1'-biphenyl]-2-yl-2',7'-bis(1,1-dimethylethyl)-N-(9,9-dimethyl-9H-fluoren-2-yl)-

9,9'-Spirobi[9H-fluoren]-2-amine, N-[1,1'-biphenyl]-2-yl-2',7'-bis(1,1-dimethylethyl)-N-(9,9-dimethyl-9H-fluoren-2-yl)- · CAS 1365840-52-3