Ethyl 2,5-difluoro-3-(difluoromethyl)pyridine-6-acetate
5-(Difluoromethyl)-2,3-diiodopyridine-6-sulfonamide
Ethyl 2,4-difluoro-6-(difluoromethyl)pyridine-3-acetate
4-(Difluoromethyl)-2,3-dimethoxy-5-fluoropyridine
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