2-Hydroxy-3-nitro-6-(trifluoromethoxy)pyridine-5-acetonitrile
3-(Aminomethyl)-5-hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine
4-Fluoro-5-methyl-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-(Aminomethyl)-4-hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine