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