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