91视频亚洲-亚洲日本欧美在线-无码人妻专区免费视频-国产午夜影院-91老司机在线视频-99精品丰满人妻无码a片-91福利视频导航-www国产亚洲精品久久久日本-国语对白做受xxxxx在线中国-狠狠伊人-80s国产成年女人毛片-国产在线成人精品午夜-午夜视频在线-亚洲欧美中文字幕5发布-国产毛片一区二区精品

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

CollectionHomepage中文版

More>>
Diethylamine
Product name: Diethylamine
CAS NO: 109-89-7
Molecular weight: 73.1442 
EC NO: 203-716-3
Molecular formula: C4H11N
InChI: InChI=1/C4H11N/c1-3-5-4-2/h5H,3-4H2,1-2H3/p+1
Structural formula:
  Order                   Back