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