Pharmacologically effective substance and process for preparing it |
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| 申请号 | US3655886D | 申请日 | 1970-08-11 | 公开(公告)号 | US3655886A | 公开(公告)日 | 1972-04-11 |
| 申请人 | HOECHST AG; | 发明人 | GROEBEL ALFRED; LINDNER ERNST; | ||||
| 摘要 | A PHARMACOLOGICALLY ACTIVE SUBSTANCE ISOLATED FROM THE BARK OF RAVENSARA AROMATICA BY EXTRACTION OF THE BARK WITH A LOWER ALCOHOL, EVAPORATION OF THE EXTRACT TO GIVE A SOLID RESIDUE, AND CHROMATOGRAPHY OF THE RESIDUE. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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