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