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