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