申请人:FUJISAWA PHARMACEUTICAL CO
                            
                            
                                公开号:WO2002055541A2
                            
                            
                                公开(公告)日:2002-07-18
                            
                            The present invention relates to a compound of the formula (I)wherein R1 is benzofuranyl substituted by halogen, or styryl substituted by halogen; R2 is substituted hydroxy, substituted mercapto or substituted sulfonyl; and X is or pharmaceutically acceptable salts thereof. The compound (I) of the present invention and pharmaceutically acceptable salts thereof possess a strong inhibitory activity on the production of nitric oxide (NO), and are useful for prevention and/or treatment of NO-mediated diseases in human being and animals.