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