Steroids. XXV. Synthesis of some 4-azapregnanes.

R&D Labs maybe for 2102-23-0

• Guangxi Bonger Pharmaceutical Co., Ltd

  website:http://napo.lookchem.com/

  Contact:+86-18817331185

  Address:Donghai Industrial Zone, Tiandong Country,Guangxi,China

• Changzhou Hopschain Chemical Co.,Ltd

  website:http://www.hopschem.cn/products.html

  Contact:86-519-85528066

  Address:Room 710, Unit A, Xingbei Development Mansion, Tongjiang Road, Changzhou City,213000, China

• Rudong Zhenfeng Yiyang Chemical Co., Ltd.

  Contact:0513-84573047

  Address:South Fengli Town, Rudong County, Jiangsu Province, China

• ShangHai BMG Chemical Co., Ltd

  Contact:+86-13524845543

  Address:Room 602, no 291 sikai road shanghai

• Jinan Boss Chemical Industry Co., Ltd.【revoke the business license】

  website:http://www.chemboss.com.cn

  Contact:+86-531-58591595

  Address:No2.Hualong Road, Jinan, China