2006-10-23T12:00:00.00c2b1e35b-e999-4f63-9558-4437d99e210e2006-10-23T12:00:00.00false1,1'-biphenyl, 2,2',3,4,5'-pentachloro- (9CI)2,2',3,4,5'-pentachloro-1,1'-biphenyl2,2',3,4,5'-pentachlorobiphenyl2,2',3',4',5-pentachlorobiphenyl2,2',3,4,5'-pentachlorodiphenyl2,3,4,2',5'-pentachlorobiphenyl2,5,2',3',4'-pentachlorobiphenylPCB 872,2',3,4,5'-pentachlorobiphenyl (CB87)