Ethyl 3-bromo-6-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 2-bromo-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate
2-Bromo-5-methoxy-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Ethyl 2-bromo-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylate