Modified steroid hormones. XLI. Rearrangement of 3 beta-acetoxy-4a alpha-hydroxy-5 beta-methyl-A-homo-B-nor steroids into normal steroids of the 6-methylene-5 beta-H series.

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• Binzhou Holly Pharmaceutical Co.,Ltd.

  Contact:74517

  Address:No.15 Dapu Road,Huangpu District Shanghai,P.R.China

• Xiamen Kaijia Imp & Exp Co., Ltd.

  Contact:86-592-5101177

  Address:Room406 Luhui Building No. 65 Haitian Road Huli Xiamen,China.

• Hebei Tianxiang Biological & Pharmaceutical Co., Ltd

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  Address:No 42 fazhan street qingyuan county

• ANHUI WEICHI CHEMICAL CO.,LTD

  website:http://www.weichichem.com

  Contact:+8613912949432

  Address:Fine Chemical Industrial Base,Wujiang town,He County,Anhui China.

• Suzhou Chiral Pharmaceuticals Co., Ltd.

  Contact:86-0512-63197058

  Address:Building A, No. 2358, Chang'an Road, Wujiang Science Park