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