5-(Bromomethyl)-2-(difluoromethyl)pyridine-4-carbonyl chloride
2-(Bromomethyl)-5-(difluoromethyl)-3-methoxypyridine
4-(Bromomethyl)-3-(difluoromethyl)pyridine-5-carbonyl chloride
3-(Difluoromethyl)-2-(trifluoromethyl)pyridine-6-sulfonyl chloride
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