3,4-Difluoro-5-(difluoromethyl)-2-iodopyridine
3,4-Difluoro-2-(difluoromethyl)-6-iodopyridine
2,6-Difluoro-4-(difluoromethyl)-3-iodopyridine
2,6-Difluoro-3-(difluoromethyl)-4-iodopyridine
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