Analogues of camptothecin, their use as medicaments and the pharmaceutical compositions containing them

   
   

A method of treating a cancer in warm-blooded animals by administration to the warm-blooded animals in need thereof a camptothecin analog a 7-ring member .beta.-hydroxy lactone ring of the formula ##STR1## wherein the substituents are defined as in the specification.

Eine Methode des Behandelns eines Krebses in warmblütigen Tieren durch Leitung zu den warmblütigen Tieren in der Notwendigkeit davon eine camptothecin Entsprechung ein Mitglieds7-ring beta.-hydroxyl- Laktonring des Formel ## STR1 ##, worin die Substituenten wie in der Spezifikation definiert werden.

 
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