3,3'-Dichlorbenzidin 3,3'-Dichloro-4,4'-biphenyldiamine 3,3'-Dichloro-4,4'-diaminobiphenyl 3,3'-Dichloro-4,4'-diaminodiphenyl 3,3'-Dichlorobenzidina 3,3'-Dichlorobenzidine 3,3'-Dichlorobiphenyl-4,4'-diamine 4,4'-Diamino-3,3'-dichlorobiphenyl 4,4'-Diamino-3,3'-dichlorodiphenyl 91-94-1 Benzidine, 3,3'-dichloro- C.I. 23060 Curithane C 126 DCB Dichlorobenzidine base NSC154073 WLN: ZR BG DR DZ CG [1,1'-Biphenyl]-4,4'-diamine, 3,3'-dichloro- o,o'-Dichlorobenzidine