Ethyl 4-bromo-6-chloro-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-bromo-2-chloro-5-(trifluoromethoxy)pyridine-3-carboxylate
4-Bromo-2-iodo-3-(trifluoromethoxy)pyridine-6-methanol
Ethyl 5-bromo-3-chloro-2-(trifluoromethoxy)pyridine-4-carboxylate