Ethyl 2-(chloromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-acetate
2-(Fluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
Ethyl 4-(chloromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetate
6-(Fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetonitrile