发明名称 NOVEL CRYSTALLINE FORM OF BENZOTHIAZINE DIOXIDE SALT
摘要 A novel crystalline form of the monoethanolamine salt of N-(2-pyridyl)-2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide has been prepared. This novel crystalline form is designated as polymorph I and is useful in therapy as a non-steroidal anti-arthritic agent. Methods for preparing this polymorph from readily available materials are provided.
申请公布号 ZA8508773(B) 申请公布日期 1987.06.24
申请号 ZA19850008773 申请日期 1985.11.15
申请人 PFIZER INC. 发明人 ROBERT LEE ROBERTSON
分类号 C07D279/16;A61K31/44;A61K31/54;A61K31/5415;A61P29/00;C07D417/12;F16L57/00 主分类号 C07D279/16
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