Ethyl 5-(aminomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-(aminomethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Hydroxy-6-iodo-2-methyl-4-(trifluoromethoxy)pyridine
Ethyl 5-(aminomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate