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