申请人:Ciba-Geigy Corporation
公开号:US05206256A1
公开(公告)日:1993-04-27
Compounds of formula I ##STR1## wherein the dotted line, Az, Z, R.sub.1 and R.sub.2 are as defined in the description, have valuable pharmaceutical properties and are effective especially against tumors. They are prepared in a manner known per se.
化合物I的公式为##STR1##其中,虚线,Az,Z,R.sub.1和R.sub.2的定义如描述中所定义的那样,具有有价值的药物特性,特别是对抗肿瘤有效。它们以已知的方式制备。