Ethyl 4-bromo-6-(difluoromethyl)-2-hydroxypyridine-3-carboxylate
2-Bromo-3-(difluoromethyl)-4-iodo-5-methylpyridine
3-Bromo-6-(difluoromethyl)-2-iodo-5-methoxypyridine
5-Bromo-2-(difluoromethyl)-4-iodo-3-methoxypyridine
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