Ethyl 4-(chloromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetate
6-(Fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetonitrile
Ethyl 3-(chloromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-6-acetate
2-(Fluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-4-acetonitrile