2,5-Dichloro-4-(difluoromethyl)-3-nitropyridine
4,6-Dichloro-2-(difluoromethyl)-3-nitropyridine
5-Bromo-2,3-dichloro-4-(difluoromethyl)pyridine
2,4-Dichloro-5-(difluoromethyl)-3-nitropyridine
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