Ethyl 2-(difluoromethyl)-3,4-dimethoxypyridine-5-carboxylate
5-(Difluoromethyl)-2,4-diiodopyridine-3-carboxaldehyde
4-(Difluoromethyl)-3,5-diiodopyridine-2-sulfonamide
6-(Difluoromethyl)-2,3-diiodopyridine-5-carboxaldehyde
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