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Yongqiang Sun
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Changzhou, CN
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last 30 patents
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Patent Grant
Method for preparing ulipristal acetate and key intermediate thereof
Patent number
9,163,058
Issue date
Oct 20, 2015
Utopharm (Shanghai) Co., Ltd
Junzhi Luo
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Method for preparing ulipristal acetate and key intermediate thereof
Publication number
20140296510
Publication date
Oct 2, 2014
Changzhou Siyao Pharm Co., Ltd.
Junzhi Luo
C07 - ORGANIC CHEMISTRY