4-Bromo-5-(difluoromethyl)-2-nitropyridine-3-carboxaldehyde
3-Bromo-6-(difluoromethyl)-2-methoxy-5-methylpyridine
4-Bromo-5-(difluoromethyl)-3-nitropyridine-2-carboxaldehyde
5-Bromo-2-(difluoromethyl)-4-methoxy-3-methylpyridine
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