| 摘要 |
<p>A compound of structure (I), wherein R and R1 are each, independently, (a) or hydrogen; R2 is a heterocyclic radical which may be optionally substituted; n = 0-6; with the proviso that R and R1 are both not hydrogen, or a pharmaceutically acceptable salt thereof which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.</p> |
