3-Cyano-2,4-dichloro-6-(difluoromethyl)pyridine
4-Amino-2-bromo-3-chloro-5-(difluoromethyl)pyridine
3-(Difluoromethyl)-6-(trifluoromethyl)pyridine-2-acetonitrile
5-Amino-3-bromo-4-chloro-2-(difluoromethyl)pyridine
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