Ethyl 3-bromo-4-(difluoromethyl)-2-methylpyridine-5-acetate
Ethyl 5-bromo-3-(difluoromethyl)-2-hydroxypyridine-4-carboxylate
Ethyl 5-bromo-3-(difluoromethyl)-4-hydroxypyridine-2-carboxylate
Ethyl 3-bromo-2-(difluoromethyl)-6-methylpyridine-4-acetate
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