3-Cyano-2-(difluoromethyl)-5-iodopyridine-4-carbonyl chloride
4-Cyano-5-(difluoromethyl)-2-iodopyridine-3-sulfonyl chloride
3-(Bromomethyl)-6-(difluoromethyl)-2-iodo-5-methoxypyridine
5-(Bromomethyl)-2-(difluoromethyl)-3-iodo-6-methoxypyridine
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