New N-amidino-3,5-diamino-6-substituted-2-pyrazinecarboxamides and process for preparing same
                        
                            
                                申请人:Merck & Co., Inc.
                            
                            
                                公开号:EP0000200A1
                            
                            
                                公开(公告)日:1979-01-10
                            
                            
N-Amidino-3,5- diamino-6- substituted-2- pyrazihecar- boxamides and a process for their synthesis.
                            N-脒基-3,5-二脒基-6-取代-2-
吡嗪羧酰胺及其合成工艺。