Methyl 2-(difluoromethyl)-5-methoxypyridine-4-carboxylate
4-(Chloromethyl)-5-(difluoromethyl)-2-iodopyridine
Methyl 2-(difluoromethyl)-4-methoxypyridine-5-carboxylate
3-(Difluoromethyl)-2-iodo-6-methylpyridine
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