5-Cyano-4-(difluoromethyl)-2-methylpyridine-3-carbonyl chloride
4-Cyano-2-(difluoromethyl)-5-methylpyridine-3-sulfonamide
3-Cyano-2-(difluoromethyl)-5-methylpyridine-4-sulfonamide
2-Cyano-5-(difluoromethyl)-6-methylpyridine-3-sulfonamide
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