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