2-(Difluoromethyl)-6-(fluoromethyl)-3-hydroxypyridine
6-(Difluoromethyl)-3-(fluoromethyl)-2-hydroxypyridine
2-(Difluoromethyl)-5-(fluoromethyl)-4-hydroxypyridine
2-(Difluoromethyl)-5-(fluoromethyl)-3-hydroxypyridine
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