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