在线视频成人,亚洲精品福利一区二区三区,中文字幕人成不卡一区,国产一区,国产成人免费午夜在线观看,成人午夜在线播放,国产成人在线播放

  • Huaian Yishu Technology Co., Ltd.Huaian Yishu Technology Co., Ltd.

  • 簡(jiǎn)中版English

    Home / About Us / Products / News / Online / Contact Us

    • ProductsReputation determines future　Technology makes or breaks
    Trans-1, 4-Dibromo-2-Butene
    Product name: Trans-1, 4-Dibromo-2-Butene
    CAS NO.: 821-06-7
    Molecular formula: C4H6Br2
    Molecular weight: 213.89
    Appearance: White to light brown solid
    Content: ≥98.5%
    Home / About Us / Products / News / Online / Contact Us / 中文版
    Copyright(C)2019, Huaian Yishu Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號(hào)：蘇ICP備19001331號(hào)