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