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