3-Bromo-5-(difluoromethyl)-2-fluoro-6-nitropyridine
3-Bromo-2-(difluoromethyl)-6-fluoro-4-nitropyridine
3-Bromo-2-(difluoromethyl)-5-hydroxypyridine-6-acetic acid
6-Bromo-2-(difluoromethyl)-4-hydroxypyridine-3-acetic acid
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