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