3d image of polychlorinated biphenyls skeletal formula

polychlorinated biphenyls pcb carcinogenic chemical compound organic chlorine heat transfer fluids dielectric coolant fluid environmental toxicity chlorine benzene ring carcinogen dioxin endocrine disruption thyroid system neurotoxicity pcb-resistant noncoplanar signal transduction hormone transthyretin lubricants harmful capacitor electrical equipment insulator 3d substance matter material component agent reagent reaction production carcinogenesis poison venom toxicant toxic toxin poisoning danger hazard