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
     Piracetam 

    Another name:2-(2-Oxopyrrolidino)acetamide

    CAS no.: 7491-74-9

    Mol Structure:

    Mol Fm : C6H10N2O2

    Mol Wt :142.16

    Char : white or white crystallinity power

    application:atherosclerosis

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