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