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