[EN] PHOSPHODIESTERASE 4 INHIBITORS<br/>[FR] INHIBITEURS DE LA PHOSPHODIESTÉRASE 4
                        
                            
                                申请人:MEMORY PHARM CORP
                            
                            
                                公开号:WO2010003084A2
                            
                            
                                公开(公告)日:2010-01-07
                            
                            PDE4 inhibition is achieved by novel compounds, e.g., N-substituted aniline and diphenylamine analogs. The compounds of the present invention are of Formula I: wherein R1, R2, R3, and R4 are as defined herein.