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