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