PCDF 122

1,2,3,7,8,9-HCDF

1,2,3,7,8,9-HXCDF

1,2,3,7,8,9-HEXACHLORODIPHENYLENEOXIDE

Hexachlorodibenzofuran, 1,2,3,7,8,9-: (HexaCDF, 1,2,3,7,8,9-)