Compounds of formula I: ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, and R.sup.4 have any of the values defined in the specification, and their pharmaceutically acceptable salts, are inhibitors of aromatase, and are useful for treating diseases such as breast cancer, in mammals. Also disclosed are pharmaceutical compositions, processes for preparing compounds of formula (I) and intermediates useful for preparing compounds of formula I.
公式I的化合物:##STR1## 其中R,R.sup.1,R.sup.2,R.sup.3和R.sup.4具有规范中定义的任何值,并且其药学上可接受的盐是芳香化酶
抑制剂,可用于治疗哺乳动物的疾病,如乳腺癌。还披露了制备公式(I)化合物的制药组合物,制备公式I化合物的中间体的过程。