The invention provides quinoline-5,8-diones having the following formula: ##STR1## wherein X, Z and R.sup.1 through R.sup.3 are defined in the specification, and salts of these quinolinediones. The invention also provides a method of making the quinolinediones. The quinolinediones have antitumor activity.
该发明提供了具有以下式子的
喹啉-5,8-二酮:##STR1## 其中X、Z和R.sup.1到R.sup.3在规范中定义,并提供这些
喹啉二酮的盐的制备方法。该发明还提供了制备
喹啉二酮的方法。这些
喹啉二酮具有抗肿瘤活性。