4-(Fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-acetonitrile
4-(Fluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-3-acetonitrile
2-Iodo-4-methyl-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-(Fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-3-acetonitrile