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