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

????

p-???????

 

[Product Name]:
p-Coumaric acid; 2-Propenoic acid;
3-(4-Hydroxyphenyl)-2-propenoic acid;
[Structural Formula]:
[Molecular Formula]:
C9H8O3
[Molecular Weight]:
164.16
[CAS NO]:
7400-08-0
[Packing]:
25kg/cardboard drum
Properties
Appearance
Light yellow crystal
Melting range °C
210-213
Quality Specifications
Purity %
≥98.0
Moisture %
≤0.5

 

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