The present invention is concerned with compounds of formula ##STR1## wherein Z is a substituted indolyl group of formula ##STR2## R.sup.1 is hydrogen, amino, lower alkylamino, lower dialkylamino, lower alkyl, halogen, or trifluoromethyl; R.sup.2 is hydrogen or lower alkyl; R.sup.11 is hydrogen or halogen; R.sup.12 is hydrogen or lower alkyl; and a is a single or double bond; or a pharmaceutically acceptable salt.
                            本发明涉及公式为##STR1## 的化合物,其中Z是公式为##STR2## 的取代的
吲哚基团,R.sup.1是氢、
氨基、低烷基
氨基、低二烷基
氨基、低烷基、卤素或三
氟甲基;R.sup.2是氢或低烷基;R.sup.11是氢或卤素;R.sup.12是氢或低烷基;a是单键或双键;或其药学上可接受的盐。