Pyrazinone
                            Order
                            835629-43-1
                            
                                2(1H)-Pyrazinone,3,6-dihydro-3-[(1R)-1-[(1R,2R)-2-hydroxycyclopropyl]-2-(phenylsulfonyl)ethyl]-5-methoxy-6-(1-methylethyl)-, (3S,6R)-
                            
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            113461-94-2
                            
                                2(1H)-Pyrazinone,1-(phenylmethyl)-3,6-bis[(2,4,5-trimethoxy-3-methylphenyl)methyl]-
                            
                        
                        
                        
                            Order
                            83831-25-8
                            
                                2(1H)-Pyrazinone, 4-amino-3,4-dihydro-3-imino-1-beta-D-ribofuranosyl-,  monohydrochloride