免费一级毛片,欧美xxxxxx,xyx性爽欧美视频在线观看,欧美久久精品一级c片,国产a一级毛片爽爽影院,最大av在线,国产精品一级

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

     4-Nitrobenzyl 2-diazoacetoacetate 

    Second name : p-Nitrobenzyl 2-diazoacetoacetate; 4-Nitrobenzyl-2diazoacetoacetate; 4-nitrobenzyl 2-diazo-3-oxobutanoate

    MOL FM:C11H9N3O5

    MOL WT:263.2063

    InChI : InChI=1/C11H9N3O5/c1-7(15)10(13-12)11(16)19-6-8-2-4-9(5-3-8)14(17)18/h2-5H,6H2,1H3

    CAS  NO.:82551-63-1

    Character:light yellow powder

    Application:pharmacrutical intermediate


    Copyright(C)2019 , Jinan Dechenghemu Medical Technology Co., Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice
    南雄市| 凤庆县| 大新县| 安龙县| 惠东县| 贡山| 当雄县| 新乐市| 谷城县| 古蔺县| 翼城县| 岚皋县| 靖安县| 北川| 桂林市| 绥江县| 泰顺县| 龙里县| 司法| 柳州市| 武城县| 平南县| 龙门县| 四子王旗| 峨山| 招远市| 大英县| 中西区| 朝阳县| 鸡泽县| 万宁市| 彩票| 边坝县| 高要市| 平定县| 怀化市| 临安市| 陈巴尔虎旗| 嘉义县| 黄陵县| 阿克陶县|