6-(Chloromethyl)-2-(difluoromethyl)-3-iodopyridine-4-carboxaldehyde
6-Amino-4-cyano-3-(difluoromethyl)pyridine-2-sulfonyl chloride
4-Amino-3-methylpyridine-2-methanol
4-(Difluoromethyl)-6-methoxy-2-nitropyridine-3-sulfonyl chloride
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