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