Gold Suppliers > Shaanxi Dasheng Pharmaceutical Tech CO., LTD. > 3,3'-dimethyl-benzidine
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- Region :Intermediates/Pharmaceutical intermediates
- Tel : +86-13509187513
- Fax : 86-29-88193353
- Email :info@dashengpharm.com
- URL :www.dashengpharm.com
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3,3'-dimethyl-benzidine