3,4,5,6-Tetrachloropicolinonitrile, tetrachloropicolinonitrile, 3,4,5,6-Tetrachloro-2-pyridinecarbonitrile, EINECS 241-784-6, tetrachloro-pyridine-2-carbonitrile, Tetrachloro-2-cyanopyridine, Picolinonitrile,tetrachloro, 2-cyanotetrachloropyridine, tetrachloro-2-pyridine-carbonitrile, 2-Cyano-3,4,5,6-tetrachloropyridine, 2-Pyridinecarbonitrile,3,4,5,6-tetrachloro