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