2-Bromo-4-(difluoromethyl)-3-iodopyridine-5-carboxaldehyde
Ethyl 6-bromo-2-(difluoromethyl)-3-hydroxypyridine-4-carboxylate
Ethyl 6-bromo-2-(difluoromethyl)-4-hydroxypyridine-3-carboxylate
Ethyl 2-bromo-6-(difluoromethyl)-3-hydroxypyridine-5-carboxylate