亚洲人妖ts网站,夜夜春亚洲嫩草影院,欧美变态深喉囗交免费,av福利无码亚洲网站,黄色小说下载,恶魔契约书txt下载,小说免费

  Hebei shijiazhuang dowell chemical co.,ltd.
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese
Sell: 2-Aminoisonicotinic acid
Date: 2018-12-06
Cas#: 13362-28-2
Specification: 98
Price:
Quantity: Kilogram
Term: 365
Note: 2-Aminoisonicotinic acid
2-Aminopyridine-4-carboxylic acid
CAS:13362-28-2
Appearance:off white powder
Assay:98% min
Industrial production
Pack :25kg/carton
Customize
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.