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