<unk>  is an inorganic compound with the formula AsCl3, also known as arsenous chloride or butter of<unk> . This poisonous oil is colourless, although impure samples may appear yellow. It is an intermediate in the manufacture of organoarsenic compounds.
Arsenic trichloride
Arsenic trioxide
Carbon tetrachloride
Desmethylchlorotrianisene
Tetrachlorodecaoxide
Butylated hydroxytoluene
Coal tar
Triphenylchloroethylene