• Puyang Huicheng Electronic Material Co., Ltd
    Acid Anhydrides

        Tert-butyl phosphines

     

    tert-Butyldiphenylphosphine

     

       CAS #    [ 6002-34-2 ]
       M F    

    C16H19P

       FW    242.3
       Spec    off-white solid,98%
       Structure

     

    最新国内自拍在线视频_最爽最刺激18禁视频_中文乱码字幕2019乱码24页_d2天堂