1-Phthalazinyl
                            Order
                            921198-65-4
                            
                                Phenol, 2-chloro-5-[[4-(4-pyridinylmethyl)-1-phthalazinyl]amino]-,1-(hydrogen sulfate)
                            
                        
                        
                            Order
                            503441-84-7
                            
                                Acetic acid, [(4-phenyl-1-phthalazinyl)oxy]-, 2-(dithiocarboxy)hydrazide,monopotassium salt
                            
                        
                        
                            Order
                            96425-97-7
                            
                                Butanediamide,N-[4-[ethyl(1,2,3,4-tetrahydro-1,4-dioxo-6-phthalazinyl)amino]butyl]-N'-[2-(5-methoxy-1H-indol-3-yl)ethyl]-
                            
                        
                        
                        
                            Order
                            652969-98-7
                            
                                2H-1-Benzopyran-2-one,3-[2-(diethylamino)ethyl]-4-methyl-7-[(4-phenyl-1-phthalazinyl)oxy]-
                            
                        
                        
                            Order
                            87354-26-5
                            
                                Pentanedioic acid,mono[[6-(ethoxycarbonyl)-3,4-dihydro-5,7-dimethyl-4-oxo-1-phthalazinyl]methyl] ester
                            
                        
                        
                        
                        
                            Order
                            89225-81-0
                            
                                Acetamide,2-[(4-hydrazino-1-phthalazinyl)oxy]-N-[2-[[2-hydroxy-3-(2-methylphenoxy)propyl]amino]ethyl]-
                            
                        
                        
                            Order
                            62335-87-9
                            
                                2-Naphthalenecarboxamide,N-[2-chloro-5-(3,4-dihydro-4-oxo-1-phthalazinyl)phenyl]-4-[(9,10-dihydro-9,10-dioxo-1-anthracenyl)azo]-3-hydroxy-
                            
                        
                        
                        
                        
                            Order
                            62335-88-0
                            
                                2-Naphthalenecarboxamide,N-[2-chloro-5-(3,4-dihydro-4-oxo-3-phenyl-1-phthalazinyl)phenyl]-4-[(2,3-dihydro-1,3-dioxo-2-phenyl-1H-isoindol-4-yl)azo]-3-hydroxy-
                            
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            89225-91-2
                            
                                Acetamide,N-[2-[[3-(4-chlorophenoxy)-2-hydroxypropyl]amino]ethyl]-2-[(3,4-dihydro-4-thioxo-1-phthalazinyl)oxy]-
                            
                        
                        
                        
                            Order
                            286952-57-6
                            
                                4-Morpholinebutanamide,N-[3-(3,4-dihydro-4-oxo-1-phthalazinyl)phenyl]-, monomethanesulfonate
                            
                        
                        
                        
                            Order
                            62335-86-8
                            
                                Butanamide,N-[2-chloro-5-(3,4-dihydro-4-oxo-1-phthalazinyl)phenyl]-2-[(2-methoxy-4-nitrophenyl)azo]-3-oxo-