[EN] NOVEL 2,5-PYRIDINEDICARBOXYLIC ACID DERIVATIVES<br/>[FR] NOUVEAUX DERIVES D'ACIDE 2,5-PYRIDINECARBOXYLIQUE
                        
                            
                                申请人:DONG WHA PARM IND CO LTD
                            
                            
                                公开号:WO1999058526A1
                            
                            
                                公开(公告)日:1999-11-18
                            
                            The present invention relates to novel 2,5-pyridinedicarboxylic acid derivatives and more particularly, to novel 2,5-pyridinedicarboxylic acid derivatives of formula (1) and its pharmaceutically acceptable salts as anti retroviral agents, having inhibitory activities against the proliferation of retrovirus such as hepatitis B virus and human immunodeficiency virus, including its preparing method, wherein, R1, R2, R3 and n are the same as defined in the detailed description of the invention, respectively.