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