3-Amino-2-(bromomethyl)-6-(trifluoromethoxy)pyridine-4-acetic acid
4-Bromo-2-(bromomethyl)-3-chloro-5-(trifluoromethoxy)pyridine
3-Amino-2-(bromomethyl)-5-(trifluoromethoxy)pyridine-4-acetic acid
3-Bromo-5-(bromomethyl)-6-chloro-2-(trifluoromethoxy)pyridine