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