2-(Difluoromethyl)-4,5-dimethoxy-3-hydroxypyridine
6-(Difluoromethyl)-3,4-dimethoxy-2-hydroxypyridine
5-(Difluoromethyl)-3,4-dimethoxy-2-hydroxypyridine
3-(Difluoromethyl)-4,5-dimethoxy-2-hydroxypyridine
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