男人扒女人添高潮视频,精品国产AV一区二区三区,边添小泬边狠狠躁视频,妺妺窝人体色www婷婷

中文版 English Korean

??:+86-573-82813639, 83621335
??:+86-573-82813637
???:? ? +86-13605839392
??:sales@jlightchem.com
???:http://bk03x.cn

????

5,5-dimethyl-1,3-diazinane-2,4,6-trione

 

【Product name】: 5,5-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione; 5,5-Dimethyl-barbitursaeure; 5,5-dimethyl-1,3,5-trihydropyrimidine-2,4,6-trione
【Structural Formula】:
【Molecular Formula】: C6H8N2O3
【Molecular Weight】: 156.139
【CAS NO】: 24448-94-0
【Packing】:  
Properties
Appearance  
Melting range °C 278-279

 

Quality Specifications
Purity % ≥ 98.0
Moisture % ≤ 0.5

 

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