2-Chloro-5-methyl-3-(trifluoromethoxy)pyridine-4-sulfonamide
6-Chloro-4-methyl-3-(trifluoromethoxy)pyridine-2-sulfonamide
2-Bromo-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetonitrile
2-Bromo-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetonitrile