国产精品毛片天天看片,精品一区二区日本高清,一级片一级片一级片一级片,k频道导航入口国产精品,亚洲欧美中文字幕专区

<tt id="9q5rq"><dl id="9q5rq"></dl></tt>
  • <fieldset id="9q5rq"></fieldset>
  • <td id="9q5rq"><form id="9q5rq"></form></td>
  • <sup id="9q5rq"></sup>
      Products
      TL-2
      English Name TL-2
      chemical name 1-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazine
      Formula
      molecular formula C14H18N4
      molecular weight 242.32
      CAS No 401566-79-8
      Specifications  
      Uses Teneligliptin Intermediates
      Up product: DB-6Next product: TL-1 】 【Back