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