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HIGHLY PURE LAQUINIMOD OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF
专利权人:
Nitin Sharadchandra Pradhan;Krishnadatt Sharma;Girish Dixit
发明人:
Girish Dixit,Krishnadatt Sharma,Nitin Sharadchandra Pradhan
申请号:
US13133994
公开号:
US20120009226A1
申请日:
2009.12.15
申请国别(地区):
US
年份:
2012
代理人:
摘要:
Provided herein is an impurity of laquinimod, N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxoquinoline-3-carboxamide (deschloro laquinimod impurity), and process for preparation and isolation thereof. Provided further herein is a highly pure laquinimod or a pharmaceutically acceptable salt thereof substantially free of deschloro laquinimod impurity, processes for the preparation thereof, and pharmaceutical compositions comprising highly pure laquinimod or a pharmaceutically acceptable salt thereof substantially free of deschloro laquinimod impurity.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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