Ethyl 2-amino-3-(aminomethyl)-5-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-amino-3-(aminomethyl)-4-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 2-amino-3-(aminomethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-amino-6-(aminomethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate