| 摘要 |
Disclosed is a pharmaceutical composition comprising an isolated immunomodulatory polyhydroxylated pyrrolizidine compound having the formula (I): wherein R is selected from the group consisting of hydrogen, straight or branched, acyl, alkyl, cycloalkyl, alkenyl, alkynyl, aryl groups and a saccharide moiety, or a pharmaceutically acceptable salt or acyl derivative thereof, and a pharmaceutically acceptable excipient.
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