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