申请人:Ciba-Geigy Corporation
公开号:US05227393A1
公开(公告)日:1993-07-13
Compounds of formula I ##STR1## wherein Z, R, R.sub.1, R.sub.2 and X are as defined in the description, have valuable pharmaceutical properties and are effective especially against tumours. They are prepared in a manner known per se.
式I的化合物,其中Z、R、R₁、R₂和X如描述中定义,具有宝贵的药理特性,特别对抗肿瘤有效。它们以已知的方式制备。