2-Chloro-3-methyl-5-(trifluoromethoxy)pyridine-6-sulfonamide
3-Chloro-6-(chloromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine
2-Chloro-3-cyano-4-(trifluoromethoxy)pyridine-5-sulfonamide
3-Chloro-6-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine