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