2-(Difluoromethyl)-3-fluoro-6-hydroxypyridine-4-carboxaldehyde
Methyl 2-(difluoromethyl)-3-fluoro-6-methoxypyridine-4-carboxylate
4-(Bromomethyl)-2-(difluoromethyl)-5-fluoro-3-iodopyridine
Methyl 6-(difluoromethyl)-3-fluoro-4-hydroxypyridine-2-carboxylate