Methyl 4-bromo-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carboxylate
Ethyl 4-bromo-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylate
Methyl 4-bromo-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylate
Ethyl 4-bromo-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carboxylate