4-Bromo-5-(difluoromethyl)-3-methoxypyridine-2-carboxaldehyde
3-Bromo-4-(difluoromethyl)-5-methyl-2-(trifluoromethyl)pyridine
4-Bromo-3-(difluoromethyl)-2-methoxypyridine-6-carboxaldehyde
4-Bromo-6-(difluoromethyl)-2-methoxypyridine-3-carboxaldehyde
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