5-Bromo-2-(difluoromethyl)-4-methyl-3-nitropyridine
4-Bromo-6-(difluoromethyl)-2-methyl-3-nitropyridine
3-Bromo-5-(difluoromethyl)-4-methyl-2-nitropyridine
2-Bromo-3-(bromomethyl)-6-(difluoromethyl)-5-methylpyridine
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