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