| 摘要 |
<p>Anthracycline derivatives of the formula I <IMAGE> in which the radical R<1> denotes a CH3(CH2)n group where n = 0 to 3, R<2> denotes a hydrogen atom or a methyl group, R<3> denotes a hydrogen atom, a methyl group or an acyl protective group, R<4> denotes a hydrogen atom or an acyl protective group, and which are optionally present as the salt of an inorganic or organic acid, process for their preparation and their use in medicaments. </p> |
