title: Identification of pentachlorobenzonitrile residues in field crops.
mesh_terms: D002722:Chlorobenzenes / Q000032:analysis*; D002849:Chromatography, Gas / Q000379:methods; D005504:Food Analysis / Q000379:methods; D013058:Mass Spectrometry / Q000379:methods; D009570:Nitriles / Q000032:analysis*
chemical_list: D002722:Chlorobenzenes; D009570:Nitriles; C016035:pentachlorobenzonitrile