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