6-Chloro-3-cyano-4-(difluoromethyl)pyridine-2-sulfonamide
2-Chloro-5-cyano-3-(difluoromethyl)pyridine-6-sulfonamide
Methyl 2-chloro-5-(difluoromethyl)-4-fluoropyridine-3-carboxylate
6-Chloro-4-cyano-2-(difluoromethyl)pyridine-3-sulfonamide
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