Ethyl 3-(difluoromethyl)-2,4-dimethoxypyridine-6-carboxylate
Methyl 3-(difluoromethyl)-2,4-diiodopyridine-6-acetate
Methyl 2-(difluoromethyl)-3,6-dimethoxypyridine-4-carboxylate
3-(Difluoromethyl)-2,6-diiodopyridine-5-sulfonyl chloride
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