Picolinonitrile,tetrachloro- (8CI);2-Cyano-3,4,5,6-tetrachloropyridine;3,4,5,6-Tetrachloropicolinonitrile;3,4,5,6-Tetrachloropyridine-2-carbonitrile;Tetrachloro-2-cyanopyridine;Tetrachloro-2-pyridinecarbonitrile;Tetrachloropicolinonitrile;
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