6-Amino-4-chloro-2-(difluoromethyl)pyridine-3-sulfonamide
2-Amino-4-chloro-5-(difluoromethyl)pyridine-3-sulfonamide
2-Amino-3-chloro-6-(difluoromethyl)pyridine-5-sulfonamide
3-Amino-4-cyano-5-(difluoromethyl)-2-fluoropyridine
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