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