4,4'-(1,1'-biphenyl-4,4'-diyldioxy)-dianiline
4,4-(1,1-Biphenyl-4,4-diyldioxy)dianiline; 4,4-Bis(4-aminophenoxy)biphenyl; 4,4_-Bis(4-aminophenoxy)biphenyl; 4-4'-Bis(4-aminophenoxy)biphenyl; 4,4'-[biphenyl-4,4'-diylbis(oxy)]dianiline; 4,4'-Bis(4-aminophenoxy)biphenyl; BAPB