4-Chloro-5-(difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
4-Chloro-2-hydroxy-3-nitro-6-(trifluoromethoxy)pyridine
6-Chloro-3-methyl-2-(trifluoromethoxy)pyridine-4-acetonitrile
4-Chloro-3-(difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine