Our stepmother turned us into&nbs p; swans and now we are&n bsp; released.
我们 的继母把我们变成了天鹅，不过现在我们得救了。
A simple and mild method for the synthesis of fluorenol was studied. 9 bromofluorene (9 BF) can be selectively obtained by the photochemical reaction of fluorene with N bromosuccinimide (NBS).
研究了芴与N 溴代丁二酰亚胺（NBS）的光化学反应及其溴代产物的水解反应，提供了一种温和、简便的制备芴醇的方法。
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