3-Amino-2-(chloromethyl)-5-(trifluoromethoxy)pyridine-6-acetonitrile
3-Bromo-2-cyano-6-(trifluoromethoxy)pyridine-5-sulfonamide
3-Amino-2-(chloromethyl)-4-(trifluoromethoxy)pyridine-5-acetonitrile
3-Bromo-2-cyano-5-(trifluoromethoxy)pyridine-4-sulfonamide