[EN] BENZYL-PYRIDAZINONS AS REVERSE TRANSCRIPTASE INHIBITORS<br/>[FR] BENZYL-PYRIDAZINONES EN TANT QU'INHIBITEURS DE TRANSCRIPTASE INVERSE
                        
                            
                                申请人:HOFFMANN LA ROCHE
                            
                            
                                公开号:WO2004085406A1
                            
                            
                                公开(公告)日:2004-10-07
                            
                            This invention relates to novel pyridazinone derivatives of formula (I) wherein R1-R4, R7, R8 and X1 are as defined in the summary and pharmaceutically acceptable salts and solvates thereof, methods to inhibit or modulate Human Immunodeficiency Virus (HIV) reverse transcriptase with compounds of formula (I), pharmaceutical compositions containing of formula (I) admixed with at least one solvent, carrier or excipient and processes to prepare compounds of formula (I). The compounds are useful for treating disorders in which HIV and genetically related viruses are implicated.