| 摘要 |
<p>The present invention relates to the sustained-release microspheres of Huperzine A compounds, the preparation and the use thereof, the said sustained- release micro spheres consist of Huperzine A compounds represented by the formula (Ia) and the biodegradable pharmaceutical acceptable polymer adjuvant, , wherein the X and Y represent hydrogen atom or methyl respectively, Zl and Z2 each represents hydrogen atom or taken together represent the group of formula (Ib).</p> |
