2-Amino-5-cyano-6-(trifluoromethoxy)pyridine-3-carboxylic acid
6-Amino-3-cyano-4-(trifluoromethoxy)pyridine-2-carboxylic acid
Methyl 3-amino-2-cyano-6-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-amino-2-cyano-5-(trifluoromethoxy)pyridine-6-carboxylate