| 摘要 |
The present invention relates to the hemisulfate salt of 4-amino-1-((2r,3r,4s,5r)-5-azido-3,4-dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-1h-pyrimidin-2-one with improved stability and physical properties which facilitate manufacturing, handling and formulating I and polymorphic crystalline forms thereof. |
