3-Bromo-2-(chloromethyl)-5-(trifluoromethoxy)pyridine-6-acetic acid
3-Bromo-2-(chloromethyl)-4-(trifluoromethoxy)pyridine-5-acetic acid
5-Chloro-3-hydroxy-2-methyl-4-(trifluoromethoxy)pyridine
2-Bromo-6-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-acetic acid