[EN] NOVEL PYRIDIN- AND PYRIMIDIN-DERIVATIVES<br/>[FR] NOUVEAUX DERIVES DE PYRIDINE ET DE PYRIMIDINE
                        
                            
                                申请人:HOFFMANN LA ROCHE
                            
                            
                                公开号:WO2003068757A1
                            
                            
                                公开(公告)日:2003-08-21
                            
                            The present invention relates to compounds of formula (I), wherein R1, R2, R3, R4 and X are as defined in the description and claims, and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prophylaxis of diseases which are associated with DPP IV, such as diabetes, particularly non-insulin dependent diabetes mellitus, and impaired glucose tolerance.