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