久久精品五月天,女人毛片a毛片久久人人,欧美日韩高清,午夜成年人视频,色鬼久久综合,美国伦理大美女2,久中文字字幕乱码手机看

  •       2,2-Dibromo-3-Nitrilopropiona..
          Diallyl dimethyl ammonium chl..
          1,2-Benzisothiazolin-3-One..
          1-Bromo-3-chloro-5,5-Dimethyl..
          2-Bromo-2-nitro-1,3-propanedi..
          Povidone Iodine..
          Carbohydrazide..
          Diethyl methyl benzene diamin..
          More
      Products

    7 - ACA 7 Aminocephalosporanic acid;

    Product name. 7 Aminocephalosporanic acid;

    7 - ACA 7 Aminocephalosporanic acid;;

    CAS RN); 957-68-6 Molecular formula C10H12N2O5S

    Molecular weight 272.27 Appearance; White crystalline powder.

    Content; 98.0% of 13905318421 li

    7 - ACA is corn starch by fungus fermentation by cephalosporin C, cephalosporin C in the amide bond hydrolysis get a 7 - ACA.

    With the way; Used as pharmaceutical intermediates, is the most commonly used cephalosporins mother nucleus



    Copyright(C)2014,Jinan Wanduoxin Chemical Co.,Ltd.  Supported by ChemNet ChinaChemNet Toocle Copyright Notice Admin
    佛学| 涿州市| 裕民县| 兴文县| 湘西| 大安市| 凭祥市| 闻喜县| 客服| 永吉县| 榆社县| 岚皋县| 车致| 广西| 镇远县| 沁源县| 永宁县| 绥江县| 公主岭市| 天祝| 中阳县| 扬州市| 陇川县| 万州区| 长阳| 娱乐| 绵竹市| 五原县| 息烽县| 鄢陵县| 兰考县| 武义县| 图片| 灵川县| 天镇县| 黄大仙区| 凯里市| 新和县| 浮山县| 松江区| 奉节县|
      <samp id="65v5s"><listing id="65v5s"><dl id="65v5s"></dl></listing></samp>