5-Bromo-3-methoxypyridine-2-sulfonyl chloride
2-Bromo-3-(difluoromethyl)-4-(fluoromethyl)pyridine
5-Bromo-2-(chloromethyl)-3-(difluoromethyl)pyridine
3-Bromo-4-(chloromethyl)-2-(difluoromethyl)pyridine
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