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