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