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