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