Methyl 3-bromo-5-(chloromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 2-bromo-6-(chloromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
4-Bromo-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid
3-Bromo-2-(chloromethyl)-4-(trifluoromethoxy)pyridine-6-acetic acid