3-Bromo-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-acetonitrile
2-(Chloromethyl)-3-(difluoromethyl)-5-hydroxy-6-iodopyridine
3-Bromo-4-(difluoromethyl)-2-methylpyridine-5-sulfonamide
Methyl 3-amino-2-(difluoromethyl)-5-fluoropyridine-4-carboxylate