6-Bromo-4-(difluoromethyl)-3-nitropyridine-2-acetic acid
2-Bromo-4-(difluoromethyl)-3-nitropyridine-6-acetic acid
4-Bromo-2-(chloromethyl)-3-(difluoromethyl)-5-methoxypyridine
2-Bromo-3-(difluoromethyl)-6-nitropyridine-5-acetic acid
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