| 摘要 |
<p>The present invention concerns novel compounds having general formula (I), wherein R?1, R2, R3, R4, R5, R6 and R7¿ are selected from the group consisting of hydrogen, hydroxy and methoxy. At most one of R?1, R2 and R3¿ and at most one of R?4, R5, R6 and R7¿ is selected from the group consisting of hydroxy and methoxy. M is selected from the group consisting of hydrogen and pharmaceutically acceptable inorganic or organic cations or tautomeric forms thereof. The compounds have immunomodulating activity.</p> |
