2-(Difluoromethyl)-4-hydroxy-3-iodopyridine-6-sulfonyl chloride
2-(Difluoromethyl)-3-hydroxy-6-iodopyridine-4-sulfonyl chloride
2-(Difluoromethyl)-3-hydroxy-4-iodopyridine-6-sulfonyl chloride
1-(6-Chloropyridin-3-yl)cyclobutanecarbonitrile
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