Ethyl 3-hydroxy-5-nitro-6-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 4-(aminomethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-2-acetate
4-(Bromomethyl)-2-(difluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine