99视频精品全部在线观看,狠狠色狠狠色综合网老熟女,男人天堂2017手机版在线,日本变态强奷在线播放5000,免费完结穿越小说,肛交小说,校园复仇黑道小说

  Shanghai orgchem co.,ltd.
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese
Sell: (3S,4S)-3-[(R)-1-(tert-Butyldimethylsilyloxy)ethyl]-4-[(R)-1-carboxyethyl]-2-azetidinone
Date: 2016-12-16
Cas#: 90776-58-2
Specification:
Price:
Quantity:
Term: 30
Note: Molecular formula:C14H27NO4Si
Molecular weight:301.45
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.