夕久久久国产,大又大又粗又爽又黄毛片女人,国产精品亚洲片牛牛,家庭教师波多野结衣云盘,天天看中文字幕福利第一页
展開

在線客服

  • 客服1 點擊這里給我發(fā)消息
  • 客服2 點擊這里給我發(fā)消息
 中文   English
1 2 3 4
Product Search
 
Please search by CAS or NamePlease search by CAS or Name
Products
  Chiral Catalysts,Ligands and Reagents
  OLED
  APIs and intermediates
 
News
Anti hepatitis drug intermediates obtained national invention patents
2016-08-10         
Congratulations to Tianjin Derchemist Sci-Tech Co.,Ltd. related products& technology obtained national invention patents. Patent name:A kind of anti hepatitis C drug intermediates,such as 6 - halogen substituted,tetrahydro carbazole of preparation method,the patent number:1ZL201210356553.1,Authorized Announcement No.: cn 102850259 B
Copyright(C)2012,Tianjin Derchemist Sci-Tech Co., Ltd. All Rights Reserved
夕久久久国产,大又大又粗又爽又黄毛片女人,国产精品亚洲片牛牛,家庭教师波多野结衣云盘,天天看中文字幕福利第一页