超碰日本爆乳中文字幕,麻豆产精品一二三产区区,亚洲人成网站18禁止久久影院,成人H动漫精品一区二区

welocme to visit!
LANGUAGE China English
products
home > products
No image!
Product name: Difluoroacetic anhydride
Cas NO.: 401-67-2
Product purity: 0.97
Molecular weight: 174.05
Molecular formula: C4H2F4O3
Packaging available: 1G;5G;10g,25g,100g,500g
Product use: In stock/Wisacheam
Special remarks:
Shanghai Wisacheam Pharmaceutical Technology Co., Ltd.
Specialized heterocyclic small molecule customization
 
COPYRIGHT (C) 2015 Shanghai Wisacheam Pharmaceutical Technology Co., Ltd.


Address: No.19 Liutuan Putuo Road, Chuansha Town, Pudong, Shanghai
Tel:+86-13817485796
Fax:+86(21)20422036
QQ:895624079
Email:tim@wisacheampharm.com
亚洲国内自拍愉拍| 狠狠色婷婷久久一区二区| 免费观看又污又黄的网站| 内射在线CHINESE| 久久久亚洲欧洲日产国码αv| 欧美XXXX做受欧美GAY|