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