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(S)-Oxiracetam
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(S)-Oxiracetam
(S)-Oxiracetam
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摘要
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审批记录
专利
每项发明一条,涵盖美国、欧洲、PCT 与中国的同族专利。
Oxiracetam compounding method
CN 106631963 A
申请人: CHENGDU BAITU MEDICINE TECH CO LTD
优先权: 2013
CN
7 件公开
Crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, preparing method and use thereof
US 9238622 B2
申请人: YOU CHAO
优先权: 2010
US
2 件公开
Method for purifying (S)-Oxiracetam
US 9440918 B2
申请人: YE LEI
优先权: 2011
US
2 件公开
(S)-4-hydroxy-2-oxo-1-pyrrolidineacetamide racemate crystal form II and preparation method therefor
US 9126929 B2
申请人: YE LEI
优先权: 2011
US
2 件公开
Preparation method for (S)-4-hydroxyl-2-oxo-1-pyrrolidine ethanamide
CN 101367757 B
申请人: CHONGQING RUNZE MEDICAL EQUIPMENT & SUPPLIES CO LTD
优先权: 2008
CN
Method for preparing (S)-4-hydroxide radical-2-oxo-1-pyrrolidine acetamide
CN 102070502 B
申请人: CHONGQING RUNZE MEDICAL EQUIPMENT & SUPPLIES CO LTD
优先权: 2008
CN
Method for synthesizing (S)-oxiracetam
CN 101575309 B
申请人: SICHUAN IND INST ANTIBIOTICS CHINA NAT PHARMACEUTICAL GROUP CORP
优先权: 2009
CN
New crystal form of S-oxiracetam and preparation method thereof
CN 102101836 A
申请人: BEIJING RUNDEKANG MEDICAL TECH
优先权: 2009
CN
METHOD FOR PREPARING (S)-4-HYDROXY-2-OXO-1-PYRROLIDINE ACETAMIDE
US 2013060049 A1
申请人: YOU CHAO
优先权: 2010
US
Purifying method of (S)-4-hydroxyl-2oxo-1-pyrrolidine acetamide
CN 102442936 A
申请人: CHONGQING RUNZE MEDICAL EQUIPMENT & SUPPLIES CO LTD
优先权: 2010
CN
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