免费观看俩人交性视频,噼里啪啦国语在线观看高清资源,久久精品192.168.0.1,国精品无码一区二区三区左线

中文版 English Korean

??:+86-573-82813639, 83621335
??:+86-573-82813637
???:? ? +86-13605839392
??:[email protected]
???:http://www.hbcslcc.com

????

2,3-Pyridinedicarboxylic acid

 

[Product name]: 2,3-Pyridinedicarboxylic acid
[Structural Formula]:
[Molecular Formula]: C7H5NO4
[Molecular Weight]: 167.12
[CAS No.]: 339155-13-4
[Packing]:  
Properties
Appearance White crystal powder
Melting range °C 188-190
   
   
Quality Specifications
Purity % ≥98.0
Moisture % ≤0.5
   

 

[ CLOSE ]
Copyright(C)2012, ??? ????? ?? All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle