6-Bromo-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-(Aminomethyl)-4-bromo-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine
2-Bromo-4-nitro-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
4-(Aminomethyl)-2-bromo-3-nitro-5-(trifluoromethoxy)pyridine