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