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