Ethyl 4-(bromomethyl)-3-(difluoromethyl)-6-hydroxypyridine-2-acetate
2-Cyano-3-hydroxy-5-(trifluoromethoxy)pyridine-4-carboxamide
2-(Chloromethyl)-6-cyano-3-(difluoromethyl)pyridine-5-carboxylic acid
Ethyl 2-cyano-4-(difluoromethyl)-6-iodopyridine-3-carboxylate