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