Methyl 3-(chloromethyl)-5-(difluoromethyl)pyridine-4-carboxylate
Methyl 2-(chloromethyl)-6-(difluoromethyl)pyridine-4-carboxylate
2,3-Dibromo-4-(difluoromethyl)-6-(trifluoromethyl)pyridine
2-(Chloromethyl)-3,6-dibromo-4-(difluoromethyl)pyridine
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