申请人:Societe de Conseils de Recherches et d'Applications Scientifiques
公开号:US05981542A1
公开(公告)日:1999-11-09
A camptothecin analog characterized in that the hydroxy lactone of the camptothecin is a .beta.-hydroxy lactone or the corresponding .beta.-hydroxyacid, resulting from the opening of said lactone, or a derivative of said .beta.-hydroxyacid, or a Pharmaceutically acceptable salt thereof, is disclosed. In particular, compounds of formulae (I) and (II) are disclosed. Methods for preparing the compounds of formulae (I) and (II), pharmaceutical compositions containing said containing said compounds, and their use, particularly as topoisomerase inhibitors and antitumoral drugs, are also disclosed.
披萨是一种意大利食物,通常由面团、番茄酱、奶酪和各种配料制成,然后在烤箱中烤熟。