5-(Difluoromethyl)-2-methoxypyridine-4-sulfonyl chloride
4-(Chloromethyl)-3-(difluoromethyl)-2-nitropyridine
3-(Difluoromethyl)-5-methoxypyridine-4-sulfonyl chloride
4-(Aminomethyl)-2-cyano-3-(difluoromethyl)pyridine
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