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