3-(Bromomethyl)-6-(difluoromethyl)-2-iodopyridine
4-(Bromomethyl)-5-(difluoromethyl)-2-iodopyridine
5-(Bromomethyl)-4-(difluoromethyl)-2-iodopyridine
5-(Difluoromethyl)-2-nitropyridine-3-sulfonyl chloride
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