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