2-Bromo-3-cyano-6-(difluoromethyl)pyridine-4-sulfonamide
2-Bromo-3-cyano-5-(difluoromethyl)pyridine-4-sulfonamide
2-Bromo-4-(difluoromethyl)-5-fluoro-3-methoxypyridine
2-Bromo-4-(difluoromethyl)-3-fluoro-5-methoxypyridine
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