Ethyl 2-(difluoromethyl)-3-fluoropyridine-4-acetate
2,5-Difluoro-4-(difluoromethyl)-3-iodopyridine
Methyl 5-(difluoromethyl)-2-fluoropyridine-3-acetate
2,4-Difluoro-5-(difluoromethyl)-3-iodopyridine
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