Ethyl 3-(difluoromethyl)-2-nitropyridine-4-acetate
3-(Difluoromethyl)-2-methylpyridine-6-carbonyl chloride
Ethyl 2-(difluoromethyl)-3-nitropyridine-4-acetate
2-(Difluoromethyl)-3-methylpyridine-6-carbonyl chloride
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