2-(Bromomethyl)-4-(difluoromethyl)-3-hydroxypyridine
2-(Bromomethyl)-3-(difluoromethyl)-6-hydroxypyridine
3-(Difluoromethyl)-4,5-dihydroxy-2-fluoropyridine
2-(Difluoromethyl)-3,4-dihydroxy-6-fluoropyridine
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