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