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>>
          EDTA
          Product name: Ethylenediaminetetraacetic acid
          CAS NO: 60-00-4
          Molecular weight: 292.2426 
          EC NO: 200-449-4
          Molecular formula: C10H16N2O8
          InChI: InChI=1/C10H16N2O8/c11-9(1-5(13)14,2-6(15)16)10(12,3-7(17)18)4-8(19)20/h1-4,11-12H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20)
          Structural formula:
            Order                   Back