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