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