Methyl 3-bromo-2-(difluoromethyl)-4-fluoropyridine-6-acetate
Methyl 2-bromo-3-(difluoromethyl)-6-hydroxypyridine-4-acetate
Methyl 2-bromo-3-(difluoromethyl)-5-hydroxypyridine-4-acetate
Methyl 2-bromo-3-(difluoromethyl)-4-hydroxypyridine-5-acetate
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