国产乱对白精彩在线播放_亚洲国产午夜网站在线_国产在线国语对白_99re6免费视频 这里只有精品

Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

CollectionHomepage中文版

More>>
Triethylamine
Product name: Triethylamine
CAS NO: 121-44-8
Molecular weight: 101.1918 
EC NO: 204-469-4
Molecular formula: C6H15N
InChI: InChI=1/C6H15N.H2O4S/c1-4-7(5-2)6-3;1-5(2,3)4/h4-6H2,1-3H3;(H2,1,2,3,4)
Structural formula:
  Order                   Back