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