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