3-Amino-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-acetonitrile
4-Bromo-3-iodo-2-(trifluoromethoxy)pyridine-5-sulfonamide
2-Amino-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile
4-Bromo-6-iodo-3-(trifluoromethoxy)pyridine-2-sulfonamide