4-Bromo-2,3-difluoro-5-(difluoromethyl)pyridine
5-Amino-2,3-difluoro-6-(difluoromethyl)pyridine
2,3-Difluoro-5-(difluoromethyl)pyridine-4-acetonitrile
3,6-Difluoro-2-(difluoromethyl)-5-(trifluoromethyl)pyridine
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