3-(Difluoromethyl)-5-fluoropyridine-2-acetic acid
2-Bromo-6-iodopyridine-4-sulfonyl chloride
2-Cyano-4-(difluoromethyl)-3-methoxypyridine-5-acetonitrile
6-Bromo-3-iodopyridine-2-sulfonyl chloride
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