Ethyl 2-hydroxy-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylate
Ethyl 3-hydroxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-carboxylate
5-(Fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-acetonitrile
Ethyl 2-hydroxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-carboxylate