HCID 21881245N,N'-비스(나프탈렌-2-일)-N,N'-비스(페닐)벤지딘N~4~,N~4'~-Di(naphthalen-2-yl)-N~4~,N~4'~-diphenyl[1,1'-biphenyl]-4,4'-diamine · CAS 139255-17-7 · CID 21881245 · C44H32N2