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