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