3-(Difluoromethyl)-6-methoxypyridine-2-sulfonamide
2-(Bromomethyl)-3-(difluoromethyl)pyridine-4-sulfonyl chloride
2-(Difluoromethyl)-4-(fluoromethyl)-6-methylpyridine
3-(Difluoromethyl)-2-methoxy-4-methylpyridine
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