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