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