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