Dihydrobenz[c]acridine carboxylic acid derivatives are provided which are useful in treating tumors in mammals. These dihydrobenz[c]acridine carboxylic acid derivatives have the formula: ##STR1## or a pharmaceutically acceptable salt thereof, where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are as defined in the specification. Also provided are pharmaceutical compositions of said compounds. In addition, processes for the preparation of these compounds are disclosed.
提供了对哺乳动物体内的肿瘤具有治疗作用的脱氢苯[c]花菁
羧酸衍
生物。这些脱氢苯[c]花菁
羧酸衍
生物的
化学式为:##STR1##或其药用可接受的盐,其中R.sup.1、R.sup.2、R.sup.3、R.sup.4和R.sup.5如规范中所定义。此外,还提供了所述化合物的药物组合物。另外,还公开了制备这些化合物的方法。