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