Ethyl 6-(difluoromethyl)-2-fluoro-3-nitropyridine-4-acetate
Ethyl 2-(difluoromethyl)-3-fluoro-6-nitropyridine-5-acetate
3-(Difluoromethyl)-6-fluoro-2-nitropyridine-4-carbonyl chloride
3-(Difluoromethyl)-4-fluoro-5-nitropyridine-2-carbonyl chloride
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