2-(Difluoromethyl)-3-hydroxypyridine-4-carboxaldehyde
3-(Difluoromethyl)-6-hydroxypyridine-2-methanol
2-(Bromomethyl)-3-(difluoromethyl)-5-hydroxypyridine
2-(Bromomethyl)-3-(difluoromethyl)-4-hydroxypyridine
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