3-Amino-2-(aminomethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine
3-Amino-2-(aminomethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine
3-Amino-2-(aminomethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine
6-Amino-2-(aminomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine