4-(Difluoromethyl)-3-fluoro-2-hydroxypyridine-5-acetonitrile
2-Chloro-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Amino-4-cyano-2-iodo-6-(trifluoromethoxy)pyridine
2-Hydroxy-3-methyl-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine