Ethyl 3-bromo-4-nitro-6-(trifluoromethoxy)pyridine-2-carboxylate
4-(Aminomethyl)-3-bromo-2-(trifluoromethoxy)pyridine-5-methanol
Ethyl 3-bromo-4-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate
2-Bromo-6-(chloromethyl)-4-nitro-3-(trifluoromethoxy)pyridine