Methyl 3-bromo-6-(difluoromethyl)-2-hydroxypyridine-5-acetate
3-Bromo-6-(difluoromethyl)-4-methoxy-2-nitropyridine
Methyl 5-bromo-2-(difluoromethyl)-4-hydroxypyridine-3-acetate
5-Bromo-2-(difluoromethyl)-3-methoxy-6-nitropyridine
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