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