3-(Difluoromethyl)-5-hydroxy-2-iodo-4-nitropyridine
4-(Difluoromethyl)-2-hydroxy-3-methoxypyridine-6-acetic acid
2-Bromo-3-(difluoromethyl)-6-iodopyridine-4-acetonitrile
6-Bromo-4-(difluoromethyl)-3-methoxypyridine-2-acetic acid
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