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