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