3-(Difluoromethyl)-5-fluoro-6-hydroxypyridine-2-acetonitrile
4-Chloro-2-hydroxy-6-iodo-3-(trifluoromethoxy)pyridine
3-(Chloromethyl)-6-methyl-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-(Fluoromethyl)-4-methyl-2-(trifluoromethoxy)pyridine-6-carboxylic acid