2-(Difluoromethyl)-4-iodo-5-methoxypyridine-3-sulfonamide
4-(Aminomethyl)-2-(difluoromethyl)-3-iodopyridine-6-methanol
3-(Chloromethyl)-2-(difluoromethyl)-5-iodo-4-methoxypyridine
2-(Bromomethyl)-3-(difluoromethyl)-6-iodo-5-methylpyridine
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