[EN] DIMERIC POLYCYCLIC COMPOUNDS FOR THE TREATMENT OF TUMORS<br/>[FR] COMPOSES POLYCYCLIQUES DIMERIQUES DESTINES AU TRAITEMENT DES TUMEURS
                        
                            
                                申请人:HOFFMANN LA ROCHE
                            
                            
                                公开号:WO2003093265A1
                            
                            
                                公开(公告)日:2003-11-13
                            
                            This invention is concerned with novel polycyclic compounds of the formula (I), wherein ring A, ring B, R1, R2, R3, R4, R5, R6, X, Y, R1', R2', R3', R4', R5', R6', ring A', ring B' and X' are as defined in the claims and description as well as pharmaceutically acceptable salts thereof. The compounds have anti-tumor activity and are useful for the treatment of cell proliferative disorders.