Pteridine
                            Order
                            50387-39-8
                            
                                5,10-Dihydro-3,7,8,10-tetramethyl-5-(1-methylethyl)benzo[g]pteridine-2,4(1H,3H)-dione
                            
                        
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            61636-62-2
                            
                                Benzo[g]pteridine-5(3H)-carboxaldehyde,4a-(1-cyclopenten-1-yl)-2,4,4a,10-tetrahydro-7,8,10-trimethyl-2,4-dioxo-3-(phenylmethyl)-