Methyl 6-(chloromethyl)-2-(difluoromethyl)-4-methoxypyridine-3-carboxylate
Methyl 6-(chloromethyl)-3-(difluoromethyl)-4-methoxypyridine-2-carboxylate
2-(Fluoromethyl)-4-iodo-5-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-methyl-4-(trifluoromethoxy)pyridine-6-methanol