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