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