| 摘要 |
<p>Crystalline solifenacin succinate, the solifenacin succinate having an average axial ratio of 5:1 or less, preferably an average axial ratio of 5:1 to 1:1, more preferably an average axial ratio of 1:1, and having at least one of the following properties: a) a particle size d 0.9 < 200 µm; b) an average particle size of approximately 2 to 40 µm; and c) peaks in the X-ray powder diffractogram at 3.7; 11.1; 18.6; 21.8° 2? ± 0.2° 2?.</p> |
