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