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