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