2-Bromo-4-(difluoromethyl)-6-methoxypyridine-3-carboxaldehyde
2-Bromo-3-(difluoromethyl)-5-iodopyridine-6-sulfonamide
2-Bromo-3-(difluoromethyl)-4-iodopyridine-6-sulfonamide
2-Bromo-4-(difluoromethyl)-5-methoxypyridine-3-carboxaldehyde
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