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