Ethyl 2-bromo-5-(difluoromethyl)-3-hydroxypyridine-6-acetate
Ethyl 2-bromo-5-(difluoromethyl)-6-fluoropyridine-3-acetate
Ethyl 2-bromo-3-(difluoromethyl)-4-hydroxypyridine-6-acetate
2-Bromo-4-(difluoromethyl)-3-hydroxypyridine-6-sulfonyl chloride
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