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