3,5-Difluoro-4-(difluoromethyl)-2-nitropyridine
3,4-Difluoro-2-(difluoromethyl)-6-nitropyridine
2,6-Difluoro-4-(difluoromethyl)-3-nitropyridine
3,6-Difluoro-4-(difluoromethyl)-2-nitropyridine
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