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