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