Studies on vitamin D (calciferol) and its analogues. 21. Solvolytic ring expansions of vitamin D3. Formation of 1,4-dihydroxy-A-homo-19-nor-9,10-secocholesta-5,7-diene

R&D Labs maybe for 75896-12-7

• Nantong Chem-land Co., Ltd.

  Contact:86 513 85512619

  Address:Rm.1306, Building A, Wenfeng Mansion,168 Gongnong Road, Nantong Jiangsu China

• Sichuan WeiKeqi Biological Technology Co., Ltd.

  website:https://www.weikeqi-biotech.com/en

  Contact:86-028-81700200

  Address:sichuan Chengdu Qingjiang Zhonglu 63号

• Chengdu Shengnuo Biological Technology Co., Ltd.

  Contact:86-028-85275045

  Address:Sichuan Province Chengdu hi tech Zone Tianfu Avenue North of 1480

• Jewim Pharmaceutical (Shandong) Co., Ltd

  Contact:+8615621883869

  Address:山东省泰安市高新技术产业开发区配天门大街西首

• Guarson Chemical Co., Ltd.

  website:http://www.guarson.com

  Contact:+86-523-88059600,+86-13805268803

  Address:Room B1006,Yafang Building,Jiangyan Avenue,Jiangyan District, Taizhou City,Jiangsu,China