4-(Difluoromethyl)-5-fluoro-3-iodopyridine-2-acetonitrile
3-(Difluoromethyl)-4-fluoro-2-iodopyridine-5-acetonitrile
6-(Difluoromethyl)-3-fluoro-4-iodopyridine-2-acetonitrile
4-(Difluoromethyl)-3-fluoro-2-methoxy-5-nitropyridine
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