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