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