2-Pyridinecarbonitrile, 5-isothiocyanato-3-(trifluoromethyl)-; 5-Isothiocyanato-3-(trifluoromethyl)-2-pyridinecarbonitrile; 2-Cyano-5-(isothiocyanato)-3-(trifluoromethyl)pyridine; 5-Isothiocyanato-3-(trifluoromethyl)2-cyanopyridine