| —— | 2-(7-(4-methoxybenzyl)-3-methyl-4-oxoisoxazolo[4,5-d]pyridazin-5(4H)-yl)acetohydrazide | 1374202-31-9 | C16H17N5O4 | 343.342 | 
                                                                                                                                            
                                        | —— | 1-(2-(7-(4-methoxybenzyl)-3-methyl-4-oxoisoxazolo-[4,5-d]pyridazin-5(4H)-yl)acetyl)-4-methylthiosemicarbazide | 1374202-06-8 | C18H20N6O4S | 416.461 | 
                                                                                                                                            
                                        | —— | 1-(2-(7-(4-methoxybenzyl)-3-methyl-4-oxoisoxazolo-[4,5-d]pyridazin-5(4H)-yl)acetyl)-4-ethylthiosemicarbazide | 1374202-07-9 | C19H22N6O4S | 430.487 | 
                                                                                                                                            
                                        | —— | 7-(4-methoxybenzyl)-5-((4-methyl-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)methyl)-3-methylisoxazolo[4,5-d]pyridazin-4(5H)-one | 1374202-25-1 | C18H18N6O3S | 398.445 | 
                                                                                                                                            
                                        | —— | 7-(4-methoxybenzyl)-3-methyl-5-((5-(methylamino)-1,3,4-thiadiazol-2-yl)methyl)isoxazolo[4,5-d]pyridazin-4(5H)-one | 1374202-16-0 | C18H18N6O3S | 398.445 | 
                                                                                                                                            
                                        | —— | 7-(4-methoxybenzyl)-5-((4-ethyl-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)methyl)-3-methylisoxazolo[4,5-d]pyridazin-4(5H)-one | 1374202-26-2 | C19H20N6O3S | 412.472 | 
                                                                                                                                            
                                        | —— | 7-(4-methoxybenzyl)-3-methyl-5-((5-(ethylamino)-1,3,4-thiadiazol-2-yl)methyl)isoxazolo[4,5-d]pyridazin-4(5H)-one | 1374202-17-1 | C19H20N6O3S | 412.472 | 
                                                                                                                                            
                                        | —— | 7-(4-methoxybenzyl)-3-methyl-5-((5-(phenylamino)-1,3,4-thiadiazol-2-yl)methyl)isoxazolo[4,5-d]pyridazin-4(5H)-one | 1374202-18-2 | C23H20N6O3S | 460.516 | 
                                                                                                                                            
                                        | —— | 7-(4-methoxybenzyl)-5-((4-phenyl-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)methyl)-3-methylisoxazolo[4,5-d]pyridazin-4(5H)-one | 1374202-27-3 | C23H20N6O3S | 460.516 |