1,1'-Biphenyl, 2,4'-dichloro- (9CI) 2,4'-DICHLOROBIPHENYL 2,4'-Dichloro-1,1'-biphenyl 3-05-00-01739 (Beilstein Handbook Reference) 34883-43-7 BRN 1946417 Biphenyl, 2,4'-dichloro- PCB 8