3-Hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 3-(aminomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 4-(fluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 3-(aminomethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylate