色综合合久久天天给综看,天天干天天在线,日本免费大黄在线观看,天天干影院,性感黑丝美女视频,美女视频在线看网址,超高清美女视频

  Dezhou first chemical co.,ltd
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese
Sell: 4,4-Bis(N-carbazolyl)-1,1-biphenyl
Date: 2015-08-27
Cas#: 58328-31-7
Specification: 98%minHPLC
Price:
Quantity: 200Kilogram
Term: 365
Note: 4,4-Bis(N-carbazolyl)-1,1-biphenyl
DCBP CBP
CAS No 58328-31-7
appearance茂錄擰off-white crystal or powder
purity茂錄擰98%minHPLC
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.