发明名称 |
Anhydrous Crystalline Forms of N-[1-(2-ethoxyethyl)-5-(N-ethyl-N-methylamino)-7-(4-methylpyridin-2-yl-amino)-1H-pyrazolo[4,3-d]pyrimidine-3-carbonyl]methanesulfonamide |
摘要 |
The invention comprises (1) anhydrous crystalline forms of N-[1-(2-ethoxyethyl)-5-(N-ethyl-N-methylamino)-7-(4-methylpyridin-2-yl-amino)-1H-pyrazolo[4,3-d]pyrimidine-3-carbonyl]methanesulfonamide, (2) pharmaceutical compositions comprising at least one such form, (3) methods for the treatment of a phosphodiesterase-5-mediated condition using at least one such form, and (4) methods for preparing such forms. The compound N-[1-(2-ethoxyethyl)-5-(N-ethyl-N-methylamino)-7-(4-methylpyridin-2-yl-amino)-1H-pyrazolo[4,3-d]pyrimidine-3-carbonyl]methanesulfonamide has the following structure (I).
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申请公布号 |
US2012214827(A1) |
申请公布日期 |
2012.08.23 |
申请号 |
US201213457886 |
申请日期 |
2012.04.27 |
申请人 |
ENTWISTLE DAVID ANDREW;MARSHALL PETER VALLANCE;TAYLOR STEFAN COLIN JOHN;PFIZER INC. |
发明人 |
ENTWISTLE DAVID ANDREW;MARSHALL PETER VALLANCE;TAYLOR STEFAN COLIN JOHN |
分类号 |
A61K31/519;A61P3/00;A61P3/04;A61P3/10;A61P9/00;A61P9/10;A61P9/12;A61P11/00;A61P11/06;A61P13/12;A61P15/00;A61P25/00;A61P25/16;A61P25/28;C07D487/04 |
主分类号 |
A61K31/519 |
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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