| 摘要 |
<p>The invention provides substantially pure lercanidipine free base, having a purity of at least 95 %, preferably at least about 97 %, more preferably at least about 99 %, and still more preferably at least about 99.5 %. The lercanidipine free base of the present invention is formed as an amorphous solid that is easily handled and particularly well suited to the formulation of pharmaceutical compositions.</p> |
