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