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

????

2–????-3 ', 4'-???? ?? ???

 

[Product name]:
2-Hydroxy-3',4'-dihydroxyacetophenone
[Structural Formula]:
[Molecular Formula]:
C8H8O4
[Molecular Weight]: 168
[CAS NO]:
29477-54-1
[Packing]:
-
Properties
Appearance
greyish white solid
Melting range°C
-
Quality Specifications
Purity %
-
Moisture %
-

 

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