6-(Chloromethyl)-2-(difluoromethyl)pyridine-3-sulfonamide
4-Bromo-5-(difluoromethyl)-2-(trifluoromethyl)pyridine
Methyl 3-bromo-6-(difluoromethyl)pyridine-2-acetate
6-(Chloromethyl)-3-(difluoromethyl)pyridine-2-sulfonamide
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