Synonyms: 2,2'-DIMETHYL-4,4'-DIAMINOBIPHENYL; APB-144; 1’-Biphenyl]-4,4’-diamine,2,2’-dimethyl-[1; 2,2’-dimethylbenzidine; 4-(4-amino-2-methylphenyl)-3-methylbenzenamine; 4,4'-Diamino-2,2'-dimethylbiphenyl; 4,4-bis(3-aminophenoxy)biphenyl; 2,2'-dimethyl[1,1'-biphenyl]-4,4'-diamine; 3,3 [1,1-biphenyl]-4,4-doil bi(oxy)-bisbenzamine; 4,4-BIS(3-AMINOPHENOXY)BIPHENYL(43BAPOBP)