3-(Difluoromethyl)-2-fluoro-5-nitropyridine-4-carboxylic acid
4-(Difluoromethyl)-2-fluoro-6-nitropyridine-3-acetonitrile
3-(Difluoromethyl)-4-fluoro-6-nitropyridine-2-acetonitrile
6-(Difluoromethyl)-2-fluoro-3-nitropyridine-4-carboxylic acid
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