边做边上课h冰山学霸男男_野草社区在线高清视频_人人玩人人添人人澡超碰_体育生自慰白袜gay

連云港群盛化工有限公司

Lianyungang Qunsheng Chemical Co., Ltd.

Surviving on quality, developing by technology.

A chemical production enterprise specializing in pharmaceutical intermediates

PRODUCTS

■  Benzophenone series

■  Other

PRODUCTS

m.roseandfrank.com

Diethyl(3-pyridyl)borane

CAS No. 89878-14-8
Molecular formula C9H14BN
Molecular weight 147.0252
Structural formula

HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   ORDER  |   CONTACT  |   中文版

Copyright(C)2021, Lianyungang Qunsheng Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號(hào):蘇ICP備07508512號(hào)