UV absorber, UV -214 can be prepared by reading resorcinol with benzotrichloride in water.

间苯二酚水溶液与三氯甲苯反应可制备紫外线吸收剂UV—214。

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UV absorber, UV -214 can be prepared by reading resorcinol with benzotrichloride in water.

间苯二酚水溶液与三氯甲苯反应可制备紫外线吸收剂UV—214。

youdao