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