少妇呻吟白浆高潮啪啪69,少妇性欢1一18章,麻豆乱码国产一区二区三区,成人网站免费大全日韩国产,久久久影视文化传媒有限公司

China Coumarin Suppliers, China Coumarin Manufacturers.

ChemNet | Sign in | Join Now

Verified
Supplier

4th

year

Hangzhou Shuyuan Pharmaceutical Technology Co., Ltd.

//www.yeaby.cn/ChinaSuppliers/33236/

China Suppliers > Shuyuan >

Coumarin

Details for Coumarin

Coumarin

Category:

Pharmaceuticals and Biochemicals

CAS NO:

91-64-5

EC NO:

202-086-7

Molecular Formula:

C₉H₆O₂

Molecular Weight:

146.1427

Specification:

Synonyms:

2H-1-Benzopyran-2-one;COUMARINE;1-Benzopyran-2-one;1,2-Benzopyrone;Chromen-2-one;O-Oxy-Cinnamic Lactone ;2H-chromen-2-one;

Molecular Structure:

if you are sourcing Coumarin from China ,just feel free to inquire

Inquire

_{^{<dd id='8w3am'><tbody id='8w3am'><td id='8w3am'><optgroup id='8w3am'><strong id='8w3am'></strong></optgroup><address id='8w3am'><ul id='8w3am'></ul></address><big id='8w3am'></big></td><table id='8w3am'></table></tbody><pre id='8w3am'></pre></dd><span id='8w3am'><b id='8w3am'></b></span>}}


<dfn id='8w3am'><optgroup id='8w3am'></optgroup></dfn><tfoot id='8w3am'><bdo id='8w3am'><div id='8w3am'></div><i id='8w3am'><dt id='8w3am'></dt></i></bdo></tfoot>

_{<fieldset id='8w3am'></fieldset>}