英文别名N-(9,9-dimethylfluoren-2-yl)-N-(4-phenylphenyl)-9,9'-spirobi[fluorene]-2-amine; N-[1,1'-Biphenyl]-4-yl-N-(9,9-dimethyl-9H-fluoren-2-yl)-9,9'-spirobi[9H-fluoren]-2-amine; N-{[1,1'-biphenyl]-4-yl}-N-(9,9-dimethyl-9H-fluoren-2-yl)-9,9'-spirobi[fluoren]-7-amine; N-[4-biphenyl]-N-(9,9-dimethyl fluoren-2-yl)-9,9'-spirobi[fluoren]-2-amine; 9,9'-Spirobi[9H-fluoren]-2-amine, N-[1,1'-biphenyl]-4-yl-N-(9,9-dimethyl-9H-fluoren-2-yl)- 
