SYNTHESIS OF 17-HYDROXY-20-OXOPREGNANES BY REACTION OF CYANOHYDRINS OF 17-OXOANDROSTENES WITH METHYL-LITHIUM

R&D Labs maybe for 111660-95-8

• Yangzhou Zhongbao Pharmaceutical Co.,Ltd

  Contact:+86-514-88290838

  Address:Jiangsu Baoying county economic develpment zone in baoying avenue91

• Changzhou Welton Chemical Co., Ltd,

  Contact:0086-519-85910828,85920537,85912897

  Address:No.8 Jinlong Road, Binjiang Park, Changzhou, Jiangsu, China.

• Qingzhou Baibang import and export co.,Ltd

  Contact:+86-536-3265899

  Address:No.338, Tuoshan Road

• Yangzhou Zhongbao Pharmaceutical Co.,Ltd

  Contact:+86-514-88290838

  Address:Jiangsu Baoying county economic develpment zone in baoying avenue91

• Jiangsu Wanlong Chemical Co., Ltd.

  website:http://www.wanlongchem.com

  Contact:+86-511-86810993 0086-511-8681 0888;

  Address:Quanzhou Town, Danyang City, Jiangsu