Ethyl 3-(difluoromethyl)-4-hydroxy-6-iodopyridine-2-carboxylate
Ethyl 5-(chloromethyl)-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
2-Amino-4-iodo-6-(trifluoromethyl)pyridine
Methyl 4-(bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate