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