Ethyl 3-bromo-2-(difluoromethyl)-4-hydroxypyridine-6-acetate
5-Bromo-2-(difluoromethyl)-3-fluoro-4-(trifluoromethyl)pyridine
Ethyl 6-bromo-2-(difluoromethyl)-3-hydroxypyridine-4-acetate
4-Bromo-3-(difluoromethyl)-6-fluoro-2-(trifluoromethyl)pyridine
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