benzidine dihydrochloride; [1,1'-Biphenyl]-4,4'-diamine dihydrochloride; 4,4'-Bianiline dihydrochloride; 4,4'-Biphenyldiamine dihydrochloride; 4,4'-Diamino-1,1'-biphenyl dihydrochloride; 4,4'-Diaminobiphenyl dihydrochloride; 4,4'-Diaminodiphenyl dihydrochloride; NSC 146476 dihydrochloride;
