Ethyl 2-(chloromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylate
2-Iodo-3-methoxy-5-(trifluoromethoxy)pyridine-6-sulfonamide
3-Hydroxy-5-methyl-2-(trifluoromethoxy)pyridine-6-acetonitrile
Ethyl 2-(chloromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylate