久久99国产精品成人欧美,国产精品视频一区麻豆,韩国美女一区二区,日韩在线观看精品,这里只有精品免费视频,在线免费看a,国语自产精品视频在线区

HOME ABOUT US PRODUCTS CORPORATE IMAGE NEWS CENTER GUESTBOOK CONTACT US
      • sincerity and honesty, sincerity and technology, equality and mutual benefit, quality and trustworthiness
     γ-Aminobutyric acid 

    Another Name : 4-Aminobutanoic acid; Piperidic acid; Piperidinic acid; GABA

    Mol Fm : C4H9NO2

    Mol Wt : 103.12

    Mol Structure :

    Appearance: white or off-white colour crystallinity powder, a little odoriferous and bitter.

    Melting Point : 202-204℃

    Solubility : eutectic

    Application : treat stupefaction

    Copyright(C)2019 , Jinan Dechenghemu Medical Technology Co., Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice