5-Cyano-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-acetonitrile
4-(Difluoromethyl)-3-fluoro-5-iodo-2-(trifluoromethyl)pyridine
4-Cyano-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-acetonitrile
Ethyl 2-(difluoromethyl)-6-fluoro-3-hydroxypyridine-4-carboxylate