Pteridine
                            Order
                            303-59-3
                            
                                1-Deoxy-1-[3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo[g]pteridine-10(2H)-yl]-D-erythritol
                            
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            62746-53-6
                            
                                Benzo[g]pteridine-2,4(1H,3H)-dione, 8-(dimethylamino)-7-methyl-,compd. with pyridine (1:1)
                            
                        
                        
                        
                        
                            Order
                            36755-34-7
                            
                                Benzo[g]pteridine-2,4(1H,3H)-dione,  5-acetyl-9-bromo-5,10-dihydro-3,7,8,10-tetramethyl-