2-Amino-6-bromo-3-(difluoromethyl)-5-iodopyridine
3,5-Difluoro-2-(difluoromethyl)pyridine-4-sulfonyl chloride
6-Amino-3-bromo-2-(difluoromethyl)-4-iodopyridine
3,4-Difluoro-5-(difluoromethyl)pyridine-2-sulfonyl chloride
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