Ethyl 2-bromo-6-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
3-(Aminomethyl)-4-bromo-2-(trifluoromethoxy)pyridine-6-acetonitrile
Ethyl 6-bromo-3-nitro-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2-bromo-5-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate