3-Amino-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Amino-2-methoxy-5-nitro-4-(trifluoromethoxy)pyridine
3-Amino-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-Amino-2-methoxy-3-nitro-4-(trifluoromethoxy)pyridine