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