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