<unk>  (sometimes<unk>  is a cation composed of an organic CH3CH2- species (an ethyl group) bound to a mercury(II) centre, making it a type of organometallic cation, and giving it a chemical formula C2H5Hg+. The main source of<unk>  is thimerosal.
Ethylmercury
Dimethylmercury
Vinyl chloride
Mercury
Lewis lead
Heptachlor
Hydrogen fluoride
Carbon tetrachloride