Novel compounds of the formula ##STR1## wherein the substituents are defined as in the application and their salts with non-toxic, pharmaceutically acceptable acids and bases having 5-.alpha.-reductase inhibiting activity and a process and intermediates for their preparation.
本发明涉及一类化合物,其
化学式为##STR1##其中取代基的定义如申请书中所述,以及它们与无毒、药学上可接受的酸和碱的盐,具有5-α-还原酶抑制活性,以及制备它们的过程和中间体。