5-Bromo-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid
3-Bromo-2-methyl-5-(trifluoromethoxy)pyridine-6-methanol
4-Bromo-3-(chloromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid
2-Bromo-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid