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