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