Ethyl 4-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate
2-(Bromomethyl)-6-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine
6-(Bromomethyl)-3-hydroxy-4-methyl-2-(trifluoromethoxy)pyridine
Ethyl 4-hydroxy-2-nitro-6-(trifluoromethoxy)pyridine-3-carboxylate