2-Hydroxy-3-methyl-5-(trifluoromethoxy)pyridine-4-acetonitrile
Ethyl 4-(chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-5-acetate
5-(Bromomethyl)-2-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
Ethyl 5-(chloromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetate