2-Chloro-6-nitro-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Aminomethyl)-6-bromo-4-(trifluoromethoxy)pyridine-2-acetonitrile
2-Chloro-6-nitro-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-(Aminomethyl)-2-bromo-3-(trifluoromethoxy)pyridine-4-acetonitrile