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