2-Bromo-5-chloro-3-(difluoromethyl)-4-hydroxypyridine
6-Bromo-4-chloro-2-(difluoromethyl)-3-hydroxypyridine
2-Bromo-4-chloro-6-(difluoromethyl)-3-hydroxypyridine
6-Bromo-4-chloro-3-(difluoromethyl)-2-hydroxypyridine
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