Ethyl 6-cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-4-acetate
3-Cyano-6-(fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine
2-Chloro-5-(fluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine
4-Chloro-2-hydroxy-3-(trifluoromethoxy)pyridine-6-acetic acid