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