发明名称 |
STABLE CRYSTAL OF 4-OXOQUINOLINE COMPOUND |
摘要 |
<p>The present invention provides a crystal of 6-(3-chloro-2-fluorobenzyl)-1-((S)-1-hydroxymethyl-2-methylpropyl]-7-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, which shows a particular powder X-ray diffraction pattern of a characteristic diffraction peaks at diffraction angles 2¸(°) as measured by powder X-ray diffractometry. The crystal of the present invention is superior in physical and chemical stability.</p> |
申请公布号 |
EP1636190(A1) |
申请公布日期 |
2006.03.22 |
申请号 |
EP20050726243 |
申请日期 |
2005.05.19 |
申请人 |
JAPAN TOBACCO, INC. |
发明人 |
SATOH, MOTOHIDE;MOTOMURA, TAKAHISA;MATSUDA, TAKASHI;KONDO, KENTARO;ANDO, KOJI;MATSUDA, KOJI;MIYAKE, SHUJI;UEHARA, HIDETO |
分类号 |
A61K31/47;A61P31/18;C07D215/56;(IPC1-7):C07D215/56 |
主分类号 |
A61K31/47 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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