5-Amino-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Amino-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-acetonitrile
4-Amino-5-nitro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-Amino-2-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-acetonitrile