申请人:Hayakawa Masahiko
公开号:US20070037805A1
公开(公告)日:2007-02-15
The present invention provides a pharmaceutical composition which is useful as a phosphatidylinositol 3 kinase (PI3K) inhibitor and an antitumor agent, and it provides a novel bicyclic or tricyclic fused heteroaryl derivative or a salt thereof which possesses an excellent PI3K inhibiting activity and cancer cell growth inhibiting activity.