Ethyl 3-bromo-6-chloro-2-(difluoromethyl)pyridine-5-acetate
Ethyl 5-bromo-2-chloro-4-(difluoromethyl)pyridine-3-acetate
Ethyl 5-bromo-2-chloro-3-(difluoromethyl)pyridine-4-acetate
3-Bromo-6-(difluoromethyl)-2-fluoro-4-methoxypyridine
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