6-(Chloromethyl)-2-(difluoromethyl)-4-hydroxypyridine-3-carboxylic acid
4-(Difluoromethyl)-2-iodo-3-nitropyridine-6-acetonitrile
4-(Difluoromethyl)-2-iodo-5-methoxypyridine-3-sulfonyl chloride
3-(Difluoromethyl)-4-iodo-6-nitropyridine-2-acetonitrile
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