Ethyl 2-fluoro-5-nitro-3-(trifluoromethoxy)pyridine-4-acetate
4-(Aminomethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-methanol
4-(Aminomethyl)-2-hydroxy-6-methyl-3-(trifluoromethoxy)pyridine
4-(Aminomethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-3-methanol