Methyl 2-(difluoromethyl)-5-iodopyridine-4-carboxylate
Methyl 3-(difluoromethyl)-4-methoxypyridine-2-carboxylate
Ethyl 2-(difluoromethyl)-5-iodopyridine-4-acetate
3-(Difluoromethyl)-5-methoxypyridine-2-carboxylic acid
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