Ethyl 3-amino-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
3-Amino-4-bromo-2-(chloromethyl)-5-(trifluoromethoxy)pyridine
3-Amino-2-bromo-4-(chloromethyl)-5-(trifluoromethoxy)pyridine
Ethyl 3-amino-2-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylate