Ethyl 2-(difluoromethyl)-3-iodopyridine-6-carboxylate
2-(Difluoromethyl)-4-iodopyridine-3-sulfonamide
Methyl 3-(difluoromethyl)-6-iodopyridine-2-carboxylate
Methyl 4-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-carboxylate
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