Ethyl 2-(chloromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-(chloromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Hydroxy-5-methyl-6-(trifluoromethoxy)pyridine-3-acetonitrile
3-(Difluoromethyl)-5-hydroxy-2-methyl-6-(trifluoromethoxy)pyridine