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偶氯苯类化合物是有用的合成中间体。它还被广泛的用作染料、分析试剂、非线性光学材料、激光盘信息存贮材料和现代彩色照相技术中的油溶性染料。近来许多研究表明偶氮苯类衍生物具有很好的光电性能，如：偶氯苯在液晶和光电开关以及录相技术等方面的应用。我们曾用ＮＢＳ／Ｐ?
Even chlorobenzene compounds are useful synthetic intermediates. It is also widely used as an oil-soluble dye in dyes, analytical reagents, nonlinear optical materials, laser disc information storage materials and modern color photography. Recently, many studies have shown that azobenzene derivatives have good optoelectronic properties, such as: Chlorobenzene in liquid crystal and optical switches and video recording technology applications. We used NBS / P?