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