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