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