Ethyl 3-(difluoromethyl)-6-methylpyridine-2-carboxylate
Ethyl 5-(difluoromethyl)-3-methylpyridine-2-carboxylate
5-(Difluoromethyl)-2-methylpyridine-4-carbonyl chloride
2-(Difluoromethyl)-5-methylpyridine-4-carbonyl chloride
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