4-(Chloromethyl)-2-(difluoromethyl)-3-methoxypyridine-6-carboxaldehyde
Ethyl 6-(chloromethyl)-3-(difluoromethyl)-4-methoxypyridine-2-carboxylate
3-(Chloromethyl)-5-(difluoromethyl)-6-methoxypyridine-2-carboxaldehyde
3-(Difluoromethyl)-2-iodo-5-(trifluoromethoxy)pyridine