Ethyl 3-(difluoromethyl)-6-fluoro-4-(trifluoromethyl)pyridine-2-acetate
Ethyl 6-(difluoromethyl)-4-fluoro-3-(trifluoromethyl)pyridine-2-acetate
6-(Difluoromethyl)-3-hydroxy-4-iodo-2-methylpyridine
Ethyl 2-(difluoromethyl)-3-hydroxy-4-iodopyridine-6-carboxylate