发明名称 |
SALT OF TETRAHYDROTRIAZOLOPYRIDINE DERIVATIVE AND CRYSTAL THEREOF. |
摘要 |
<p>The present invention provides a crystal of a 1.5 D-tartrate of a compound represented by the formula (1) having an A production inhibitory effect, characterized in that the crystal has a diffraction peak at a diffraction angle (2 0.2 ) of 23.2 in powder X-ray diffractometry; a crystal of a disulfate of the compound of the formula (1), characterized in that the crystal has a diffraction peak at a diffraction angle (2 0.2 ) of 17.1 in powder X-ray diffractometry; various other salts of the compound of the formula (1); crystal polymorphs of these salts; and the like, which are expected to be used as drug substances.</p> |
申请公布号 |
MX2011006782(A) |
申请公布日期 |
2011.07.20 |
申请号 |
MX20110006782 |
申请日期 |
2010.02.24 |
申请人 |
EISAI R&D MANAGEMENT CO., LTD. |
发明人 |
NORITAKA KITAZAWA;IKUO KUSHIDA;TAKUMA MINAMISONO |
分类号 |
C07D471/04;A61K31/437;A61P25/28 |
主分类号 |
C07D471/04 |
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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