3-Hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-6-acetonitrile
4-Iodo-3-methoxy-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Hydroxy-2-methyl-6-(trifluoromethoxy)pyridine-4-acetonitrile
4-Iodo-6-methoxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride