Methyl 2-bromo-3-(difluoromethyl)-4-hydroxypyridine-5-acetate
3-Bromo-6-(difluoromethyl)-2-hydroxypyridine-5-acetic acid
5-Bromo-2-(difluoromethyl)-4-hydroxypyridine-3-acetic acid
5-Bromo-2-(difluoromethyl)-3-hydroxypyridine-4-acetic acid
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