The present invention provides a compound of the formula: ##STR1## process for their production, pharmaceutical compositions containing them and their pharmaceutical uses, and intermediates useful for their production and processes for the production of such intermediates.
本发明提供了一种化合物,其
化学式为:##STR1## 以及其制备方法、含有该化合物的制药组合物和其制药用途,以及制备该中间体的有用中间体和制备该中间体的方法。