| —— | 
                                        4-piperazin-5,6,7-trimethoxyquinazoline | 
                                        1426170-20-8 | 
                                        C15H20N4O3 | 
                                        304.349 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5,6,7-trimethoxy-4-(4-(phenylsulfonyl)piperazin-1-yl)quinazoline | 
                                        1426169-93-8 | 
                                        C21H24N4O5S | 
                                        444.511 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5,6,7-trimethoxy-4-(4-(4-methoxyphenylsulfonyl)piperazin-1-yl)quinazoline | 
                                        1426169-92-7 | 
                                        C22H26N4O6S | 
                                        474.538 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5,6,7-trimethoxy-4-(4-(4-methylphenylsulfonyl)piperazin-1-yl)quinazoline | 
                                        1426169-91-6 | 
                                        C22H26N4O5S | 
                                        458.538 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5,6,7-trimethoxy-4-(4-(4-trifluoromethylphenylsulfonyl)piperazin-1-yl)quinazoline | 
                                        1426169-90-5 | 
                                        C22H23F3N4O5S | 
                                        512.51 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5,6,7-trimethoxy-4-(4-(2-trifluoromethylphenylsulfonyl)piperazin-1-yl)quinazoline | 
                                        1426169-89-2 | 
                                        C22H23F3N4O5S | 
                                        512.51 |