| —— | 
                                        2′-amino-6-bromo-1′,2,2-trimethylspiro[chroman-4,4′-imidazol]-5′(1′H)-one | 
                                        1212010-85-9 | 
                                        C14H16BrN3O2 | 
                                        338.204 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2′-amino-1′,2,2-trimethyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)spiro-[chroman-4,4′-imidazol]-5′(1′H)-one | 
                                        1311265-24-3 | 
                                        C20H28BN3O4 | 
                                        385.271 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        6-bromo-1′,2,2-trimethylspiro[chroman-4,4′-imidazolidine]-2′,5′-dione | 
                                        1311264-93-3 | 
                                        C14H15BrN2O3 | 
                                        339.189 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        6-bromo-1′,2,2-trimethyl-2′-thioxospiro[chroman-4,4′-imidazolidin]-5′-one | 
                                        1311264-94-4 | 
                                        C14H15BrN2O2S | 
                                        355.255 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        6-bromo-2,2-dimethylspiro[chroman-4,4′-imidazolidine]-2′,5′-dione | 
                                        82319-96-8 | 
                                        C13H13BrN2O3 | 
                                        325.162 |