2007-09-17T13:53:06.45fc172e6b-3060-4e99-a0c0-c2ec5c3694332019-01-14T12:06:01.33false2,3',4,4',5'-Pentachlorobiphenyl2',3,4,4',5-PentachlorobiphenylPCB 1231,1'-Biphenyl, 2,3',4,4',5'-pentachloro- (CB123)