2-Chloro-6-(difluoromethyl)-4-fluoropyridine-3-sulfonamide
6-Chloro-4-(difluoromethyl)-2-fluoropyridine-3-sulfonamide
6-Chloro-2-(difluoromethyl)-3-hydroxy-4-iodopyridine
2-Chloro-6-(difluoromethyl)-4-hydroxy-3-iodopyridine
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