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