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