申请人:DAIICHI PHARMACEUTICAL CO., LTD.
公开号:EP1103551A1
公开(公告)日:2001-05-30
This invention provides compounds having antitumor effect, namely a compound represented by the following formula (I) or (Ia) having various substituents in which G and G1 are condensed tricyclic heterocyclic rings or salts thereof, and a compound represented by the following formula (Ib) having various substituents or salts thereof.
本发明提供了具有抗肿瘤作用的化合物,即具有各种取代基的下式(I)或(Ia)所代表的化合物(其中 G 和 G1 是缩合三环杂环)或其盐,以及具有各种取代基的下式(Ib)所代表的化合物或其盐。