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