| 摘要 |
A pharmaceutical composition comprising a compound of the general formula (I): <CHEM> wherein R<1> and R<2> are, independently, a hydrogen atom, a saturated or unsaturated aliphatic acyl having 2 to 25 carbon atoms or benzoyl group and R<3> is a hydrogen atom or alkyl group, and a pharmaceutically acceptable carrier is disclosed. Further, a novel compound of the general formula (I) wherein R<1> and R<2> are, independently, a hydrogen atom, pivaloyl, capryloyl, lauroyl, palmitoyl, stearoyl, linoleoyl, docosahexaenoyl, or benzoyl group, and R<3> is a hydrogen atom or methyl group, is also disclosed. |
