3-Bromo-2-(difluoromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine
Ethyl 4-amino-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 2-amino-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 4-amino-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate