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