久热中文字幕无码视频,精品国产AⅤ一区二区三区桃,国产 日韩 在线,国产香线蕉在线手机视频

<video id="bgnrd"></video>
    • <u id="bgnrd"></u>

      <i id="bgnrd"></i>
          <font id="bgnrd"></font>

          Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

          Collection ｜Homepage ｜中文版

          More>>
          Resorcinol
          Product name: Resorcinol
          CAS NO: 108-46-3
          Molecular weight: 110.1106 
          EC NO: 203-585-2
          Molecular formula: C6H6O2
          InChI: InChI=1/C6H6O2/c7-5-2-1-3-6(8)4-5/h1-4,7-8H
          Structural formula:
            Order                   Back