<noframes id="qdpcy"><pre id="qdpcy"></pre></noframes>
<nav id="qdpcy"><strong id="qdpcy"></strong></nav>

    <optgroup id="qdpcy"><strong id="qdpcy"></strong></optgroup>
    <sub id="qdpcy"><listing id="qdpcy"><menuitem id="qdpcy"></menuitem></listing></sub>
    <nav id="qdpcy"></nav>
    <span id="qdpcy"><nobr id="qdpcy"><progress id="qdpcy"></progress></nobr></span>

    EN/中文

    PRODUCTS

    Pyrazine
    1. 2-AcetylpyrazineCAS No.: 22047-25-2

      ?Assay: 99%

    2. 2,3,5,6-TetramethypyrazineCAS No.: 1124-11-4

      ?Assay: 99%

    3. 2,3,5-TrimethylpyrazineCAS No.: 14667-55-1

      Assay: 99%

    4. 2,6-DimethylpyrazineCAS No.: 108-50-9

      Assay: 98%

    5. 2,5-DimethylpyrazineCAS No.: 123-32-0

      Assay: 99%

    6. 2,3-DimethylpyrazineCAS No.: 5910-89-4

      Assay: 99%

    mailbox:info@phyhuir.com facsimile:86-731-84152788 hotline:86-731-84152188

    ? 2021 長沙市惠瑞生物科技有限公司 All Rights Reserved

    Friendship link google

    Website construction:boc
    国模欢欢炮交啪啪150P

    <noframes id="qdpcy"><pre id="qdpcy"></pre></noframes>
    <nav id="qdpcy"><strong id="qdpcy"></strong></nav>

      <optgroup id="qdpcy"><strong id="qdpcy"></strong></optgroup>
      <sub id="qdpcy"><listing id="qdpcy"><menuitem id="qdpcy"></menuitem></listing></sub>
      <nav id="qdpcy"></nav>
      <span id="qdpcy"><nobr id="qdpcy"><progress id="qdpcy"></progress></nobr></span>