has role polychlorinated dibenzodioxines and related compounds endocrine disruptor chlorobiphenyl polychlorobiphenyl polychlorobiphenyls polychlorinated biphenyls chebi_ontology CHEBI:53156 A biphenyl compound containing between 2 and 10 chlorine atoms attached to the two benzene rings. PCB polychlorinated biphenyl Wikipedia:Polychlorinated_biphenyl PCBs