3-Chloro-4-(difluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine
3-Chloro-2-(difluoromethyl)-6-nitro-4-(trifluoromethoxy)pyridine
5-Chloro-2-hydroxy-3-(trifluoromethoxy)pyridine-4-sulfonamide
4-Chloro-2-(chloromethyl)-5-iodo-3-(trifluoromethoxy)pyridine