2-Bromo-5-(difluoromethyl)-4-hydroxypyridine-3-acetic acid
2-Bromo-5-(difluoromethyl)-3-hydroxypyridine-4-acetic acid
6-Bromo-4-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride
6-Bromo-4-(difluoromethyl)-3-fluoropyridine-2-sulfonyl chloride
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