hexachloroethane molecular structure 3d, flat model, perchloroethane, structural chemical formula view from a microscope

hexachloroethane perchloroethane organochlorine compound molecule molecular structure chemical formula 3d model c2cl6 atom chemistry composition organic hydrogen chlorine insecticide atomic built skeletal environment carbon oxygen pollution science pesticide line social issues laboratory persistence pollutant research carcinogen biochemistry solid toxic substitute persistent acid