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!

          CollectionHomepage中文版

          More>>
          Acetonitrile
          Product name: Acetonitrile
          CAS NO: 75-05-8
          Molecular weight: 41.05 
          EC NO: 200-835-2
          Molecular formula: C2H3N
          InChI: InChI=1/C2H3N/c1-2-3/h1H3
          Structural formula:
            Order                   Back