Methyl 6-bromo-4-(difluoromethyl)-3-methylpyridine-2-acetate
Methyl 2-bromo-4-(difluoromethyl)-3-methylpyridine-6-acetate
Methyl 2-bromo-3-(difluoromethyl)-6-methylpyridine-5-acetate
4-Bromo-2-(difluoromethyl)-5-nitropyridine-3-carboxylic acid
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