3-Hydroxy-4-iodo-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Hydroxy-2-methoxy-3-methyl-5-(trifluoromethoxy)pyridine
4-(Chloromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-3-methanol
2-(Aminomethyl)-5-hydroxy-3-methoxy-4-(trifluoromethoxy)pyridine