3-(Difluoromethyl)-2-hydroxy-5-methoxypyridine-4-carboxaldehyde
4-(Difluoromethyl)-2-hydroxy-5-iodopyridine-3-carbonyl chloride
Methyl 3-(difluoromethyl)-4-hydroxy-2-methoxypyridine-6-carboxylate
3-(Chloromethyl)-4-(difluoromethyl)-2-hydroxy-6-methoxypyridine