Chinese VersionGold Suppliers > Biosyn Healthy Pharma Co.,Ltd. > 3,20-bis(ethylenedioxy)pregna-5,7-diene
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- Region :Intermediates/Pharmaceutical intermediates
- Tel : +86-15180516668;+86-795-2593188
- Fax : +86-795-2593166
- Email :513223098@QQ.com
- URL :www.biosynhealthy.com
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3,20-bis(ethylenedioxy)pregna-5,7-diene