Methyl 3-(aminomethyl)-2-cyano-6-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-(aminomethyl)-6-cyano-5-(trifluoromethoxy)pyridine-3-carboxylate
4-(Aminomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-5-acetic acid
5-(Aminomethyl)-4-cyano-3-(trifluoromethoxy)pyridine-2-acetic acid