Pteridine
                            Order
                            88900-27-0
                            
                                Pteridine,1,7-dihydro-2,4-bis[(trimethylsilyl)oxy]-6-[1-[(trimethylsilyl)oxy]propyl]-
                            
                        
                        
                        
                            Order
                            34330-66-0
                            
                                Benzo[g]pteridine-2,4(1H,3H)-dione,  5-acetyl-9-bromo-5,10-dihydro-1,3,7,8-tetramethyl-
                            
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            104718-59-4
                            
                                Benzo[g]pteridine-2,4(1H,3H)-dione,5-acetyl-5,10-dihydro-1,7,8,10-tetramethyl-3-(phenylmethyl)-