Ethyl 5-bromo-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylate
2-Bromo-6-(fluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine
2-Chloro-3-methoxy-4-(trifluoromethoxy)pyridine-6-acetic acid
Ethyl 4-bromo-5-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate