The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 2003
Filed:
Jan. 24, 2001
Applicant:
Inventors:
Akio Ejima, Tokyo, JP;
Satoru Ohsuki, Tokyo, JP;
Hitoshi Ohki, Tokyo, JP;
Hiroyuki Naito, Tokyo, JP;
Chie Makino, Tokyo, JP;
Assignee:
Daiichi Pharmaceuticals Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ; C07D / ;
Abstract
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 G are condensed tricyclic heterocyclic rings or salts thereof, and a compound represented by the following formula (Ib) having various substituents or salts thereof.