Ethyl 6-(difluoromethyl)-3,4-diiodopyridine-2-carboxylate
4-(Difluoromethyl)-2,6-diiodo-3-methylpyridine
Ethyl 2-(difluoromethyl)-3,4-diiodopyridine-6-carboxylate
2-(Difluoromethyl)-3,6-diiodo-5-methylpyridine
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