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