3-(Difluoromethyl)-4-hydroxypyridine-5-carbonyl chloride
3-(Difluoromethyl)-4-hydroxypyridine-2-carbonyl chloride
3-(Difluoromethyl)-2-hydroxypyridine-6-carbonyl chloride
3-(Difluoromethyl)-2-hydroxypyridine-5-carbonyl chloride
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