β-Lactams. XII. A study of the synthesis of N-unsubstituted β-lactams, and of 4-styryl monobactams

R&D Labs maybe for 111540-30-8

• QINGDAO DEVELOP chemistry Co.,Limited

  Contact:+86-532-85807910

  Address:98#Nanjing Road, Qingdao, China 266071

• Tianjin Te-An Chemtech Co., Ltd.(expird)

  Contact:+86-22-65378638

  Address:A5-8, No.80 Haiyun Street, TEDA

• Beijing Wisdom Chemicals Co., Ltd.

  Contact:+86-10-52350335

  Address:F2, BLDG 19, Liando Valley U, Majuqiao, Tongzhou District, Beijing, China

• NINGBO YINLIANG FOREIGN TRADE CO., LTD.

  Contact:+86-574-87834016 / 87898057

  Address:23F NO.666JINYU ROAD,YINGZHOU DISTRICT,NINGBO.CHINA

• Jurong Huaheng Natural Biological Products Factory

  website:http://www.risebiochem.com

  Contact:+86-13921007726

  Address:Chuncheng town,Jurong city,Jiangsu province,China