N4,N4,N4',N4'-Tetra(naphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

N2,N2,N6,N6-Tetraphenylnaphthalene-2,6-diamine

9,9-Dioctyl-N2,N7-diphenyl-N2-(m-tolyl)-N7-(o-tolyl)-9H-fluorene-2,7-diamine

N4,N4,N4',N4'-Tetra(naphthalen-1-yl)-[1,1'-biphenyl]-4,4'-diamine

9,9-Dimethyl-N2,N7-diphenyl-N2,N7-di-m-tolyl-9H-fluorene-2,7-diamine

N2,N2,N2',N2'-Tetraphenyl-9,9'-spirobi[fluorene]-2,2'-diamine

N,N'-((9H-Fluorene-9,9-diyl)bis(4,1-phenylene))bis(N-(naphthalen-2-yl)naphthalen-2-amine)

N2,N2,9,9-Tetraphenyl-N7,N7-di-m-tolyl-9H-fluorene-2,7-diamine

N4,N4-Di([1,1'-biphenyl]-4-yl)-N4'-(naphthalen-1-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine

N2,N7-Di(naphthalen-1-yl)-N2,N7,9,9-tetraphenyl-9H-fluorene-2,7-diamine