| 摘要 |
Compounds of formula (I) are provided, wherein R<1> represents OH or OCH3; R<2> represents OH or H; R<3> represents methyl, ethyl, propyl or allyl; X represents O, (H,OH) or (H,H); m represents 0 or 1; n represents 1 or 2; and pharmaceutically acceptable derivatives thereof; provided that when n is 1, then R<3> is allyl or propyl. The compounds are indicated inter alia as immunosuppressive agents. |
