| Thanks to our great team! Based on the finished research of new process of synthesis of key intermediate of Ulipristal Acetate (CAS 126784-99-4), we applied for the patent of new synthetic method of the key intermediate 3,20-Bis(ethylenedioxy)-19-norpregna-5(10),9(11)-dien-17-ol(CAS 54201-84-2), with a Appl. No.201110389309.0.
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