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