Synthesis of Chiral 12-Crown-4 and 15-Crown-5 Derivatives from L-Tartaric Acid

R&D Labs maybe for 83892-73-3

• SHANDONG ZHANHUA YONGHAO PHARMACEUTICAL TECH.CO.,LTD

  Contact:+86-576-88685096

  Address:GENGJU VILLAGE NORTH ONE KILOMETER,ZHANHUA DISTRICT,BINZHOU CITY,SHANDONG PROVINCE,CHINA.

• JiYi Chemical (Beijing) Co., Ltd.

  Contact:+86-10-89385733

  Address:Shilou Town of Fangshan District， Beijing

• Wuhan Shangrisyn chemicals Technology Co.,Ltd(expird)

  Contact:+86-027-84466317 __ +86-15387123698

  Address:wuhan - china

• Nanjing Qirui Material Co., Ltd.

  Contact:+86-25-52320053

  Address:F4-5, #17 Building, Chuang Yi Yuan, No.6 Guanghua East Street, Nanjing, 210007 P.R.China

• shijiazhuang baisheng chem co.; ltd

  Contact:86-0311-80790826

  Address:shijiazhuang hebei