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
3-Bromo-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetic acid