| —— | 
                                        6-ethyl-3-methyl-1,4-diphenyl-4,6,9-trihydropyrazolo[5,4-b]pyrimidino[5,4-e]pyridin-5-one-7-benzaldehyde hydrazone | 
                                        1426333-84-7 | 
                                        C30H27N7O | 
                                        501.591 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        6-ethyl-3-methyl-1,4-diphenyl-4,6,9-trihydropyrazolo[5,4-b]pyrimidino[5,4-e]pyridin-5-one-7-(p-chloro)benzaldehyde hydrazone | 
                                        1426333-97-2 | 
                                        C30H26ClN7O | 
                                        536.036 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        6-ethyl-3-methyl-1,4-diphenyl-4,6,9-trihydropyrazolo[5,4-b]pyrimidino[5,4-e]pyridin-5-one-7-(p-methoxy)benzaldehyde hydrazone | 
                                        1426333-98-3 | 
                                        C31H29N7O2 | 
                                        531.617 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        6-ethyl-3-methyl-7-(3-methyl-5-oxo-pyrazolin-2-yl)-1,4-diphenyl-4,6,9-trihydropyrazolo[5,4-b]-pyrimidino[5,4-e]pyridin-5-one | 
                                        1426333-85-8 | 
                                        C27H25N7O2 | 
                                        479.541 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        7-(3-amino-5-oxo(2-pyrazolinyl))-6-ethyl-3-methyl-1,4-diphenyl-4,6,9-tri-hydropyrazolo[5,4-b]-pyrimidino[5,4-e]pyridin-5-one | 
                                        1426333-87-0 | 
                                        C26H24N8O2 | 
                                        480.529 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        11-ethyl-8-methyl-6,9-diphenyl-4,5,9,11-tetrahydropyrazolo[5,4-b]1,2,4-triazolo[4',3'-2,1]-pyrimidino[5,6-e]pyridin-10-one | 
                                        1426333-88-1 | 
                                        C24H21N7O | 
                                        423.477 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-ethyl-7-methyl-6,9-diphenyl-4,6,10,11-tetrahydropyrazolo[5,4-b]1,2,3,4-tetraazolo[1',5'-1,2]-pyrimidino[5,6-e]pyridin-5-one | 
                                        1426333-91-6 | 
                                        C23H20N8O | 
                                        424.465 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        7-(3,5-dimethylpyrazolyl)-6-ethyl-3-methyl-1,4-diphenyl-4,6,9-trihydropyrazolo[5,4-b]-pyrimidine[5,4-e]pyridin-5-one | 
                                        1426333-86-9 | 
                                        C28H27N7O | 
                                        477.569 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        11-ethyl-8-methyl-6,9-diphenyl-10-oxo-4,5,9,11-tetrahydropyrazolo[5,4-b]1,2,4-triazolo[4',3'-2,1]pyrimidino[5,6-e]pyridin-3(2H)-thione | 
                                        1426333-89-2 | 
                                        C24H21N7OS | 
                                        455.543 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        3-ethylthio-11-ethyl-8-methyl-6,9-diphenyl-4,5,9,11-tetrahydropyrazolo[5,4-b]1,2,4-triazolo[4',3'-,1]pyrimidino[5,6-e]pyridin-10-one | 
                                        1426333-90-5 | 
                                        C26H25N7OS | 
                                        483.597 | 
                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                        | —— | 
                                        ethyl-3-(11-ethyl-8-methyl-6,9-dipheny-10-oxo--4,5,9,11-tetrahydro-pyrazolo[5,4-b]1,2,4-triazolo[4',3'-2,1]pyrimidino[5,6-e]pyridine)acetate | 
                                        1426333-95-0 | 
                                        C28H27N7O3S | 
                                        541.633 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        11-ethyl-3-(2-oxo-2-phenylethylthio)-8-methyl-6,9-dipheny-10-oxo-4,5,9,11-tetrahydro-pyrazolo[5,4-b]1,2,4-triazolo[4',3'-2,1]pyrimidino[5,6-e]pyridine-10-one | 
                                        1426333-96-1 | 
                                        C32H27N7O2S | 
                                        573.678 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5-ethyl-8-methyl-1,2,7,10-tetraphenyl-5,7,11,12-tetrahydro-1H-pyrazolo[5,4-b]1,2,4-triazino[4',3'-2,1]-pyrimidino[5,6-e]pyridin-6-one | 
                                        1426333-92-7 | 
                                        C37H31N7O | 
                                        589.699 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5-ethyl-8-methyl-1,7,10-triphenyl-5,7,11,12-tetrahydro-3H-pyrazolo[5,4-b]1,2,4-triazino[4',3'-2,1]-pyrimidino[5,6-e]pyridin-6-one | 
                                        1426333-94-9 | 
                                        C31H27N7O | 
                                        513.602 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5-ethyl-1,8-dimethyl-7,10-diphenyl-5,7,11,12-tetrahydro-3H-pyrazolo[5,4-b]1,2,4-triazino[4',3'-2,1]-pyrimidino[5,6-e]pyridin-6-one | 
                                        1426333-93-8 | 
                                        C26H25N7O | 
                                        451.531 |