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