Ethyl 2-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine-6-carboxylate
3-(Aminomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-6-acetonitrile
3-(Aminomethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-2-acetonitrile
5-(Fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-methanol