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(diǎn)擊這里給我發(fā)消息
  • 客服2 點(diǎn)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
 
Products

Products：(S)-3,3’-Dibromo-5,5’,6,6’,7,7’,8,8’-octahydro-1,1’-binaphthalene-2,2’-diol 
Cas No.：765278-73-7 
Molecular Formula：C20H20Br2O2 
Molecular Weight：452.18 
Package：10KG;5KG;1KG;500G;100G;50G 
Assay：95% HPLC 
Molecular Structure： 
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