Pyrimido
                            Order
                            651734-14-4
                            
                                Pyrimido[4,5-d]pyrimidin-2(1H)-one,1-cyclopentyl-7-[[4-(diethylamino)butyl]amino]-3-(2,6-difluoro-3-hydroxy-5-methoxyphenyl)-3,4-dihydro-
                            
                        
                        
                        
                        
                            Order
                            148714-90-3
                            
                                Pyoverdin C2A (Pseudomonas putida),1-[N-[[5-[(3-carboxy-3-hydroxy-1-oxopropyl)amino]-2,3-dihydro-8,9-dihydroxy-1H-pyrimido[1,2-a]quinolin-1-yl]carbonyl]-L-asparticacid]-, [S-(R*,R*)]-
                            
                        
                        
                        
                            Order
                            102212-59-9
                            
                                Pyrimido[2,1-f]purine-2,4,8(1H,3H,9H)-trione,  7-amino-6-hydroxy-1,3-dimethyl-9-(phenylmethyl)-
                            
                        
                        
                            Order
                            647024-21-3
                            
                                Pyrimido[5,4-e]-1,2,4-triazine-5,7(1H,6H)-dione,1,6-dimethyl-3-[5-[3-(4-morpholinylmethyl)phenyl]-2-furanyl]-, 4-oxide
                            
                        
                        
                        
                        
                            Order
                            647024-26-8
                            
                                Pyrimido[5,4-e]-1,2,4-triazine-5,7(1H,6H)-dione,1,6-dimethyl-3-[5-[4-[(4-methyl-1-piperazinyl)methyl]phenyl]-2-furanyl]-,4-oxide
                            
                        
                        
                        
                        
                            Order
                            647024-30-4
                            
                                Pyrimido[5,4-e]-1,2,4-triazine-5,7(1H,6H)-dione,3-[5-(3-chlorophenyl)-2-furanyl]-6-methyl-1-phenyl-, 4-oxide
                            
                        
                        
                        
                            Order
                            647023-72-1
                            
                                Pyrimido[5,4-e]-1,2,4-triazine-5,7(1H,6H)-dione,1-cyclopentyl-6-methyl-3-[5-[4-(1-piperidinylmethyl)phenyl]-2-furanyl]-
                            
                        
                        
                            Order
                            102212-66-8
                            
                                Pyrimido[2,1-f]purine-2,4,8(1H,3H,9H)-trione,  7-[2-(ethylthio)ethyl]-6-hydroxy-1,3-dimethyl-9-(phenylmethyl)-
                            
                        
                        
                        
                        
                            Order
                            651734-79-1
                            
                                Pyrimido[4,5-d]pyrimidin-2(1H)-one,1-cyclopentyl-3-(3-ethoxy-2,6-difluorophenyl)-3,4-dihydro-7-(methylthio)-
                            
                        
                        
                        
                        
                            Order
                            103291-29-8
                            
                                6H-Pyrimido[4,5-b][1,4]benzothiazine-4,9-diamine,N9-hexyl-7,8-dihydro-7,7-dimethyl-, hydrobromide (1:1)
                            
                        
                        
                            Order
                            651734-32-6
                            
                                Pyrimido[4,5-d]pyrimidin-2(1H)-one,7-[[3-[bis(2-hydroxyethyl)amino]propyl]amino]-3-(2,6-difluoro-3,5-dimethoxyphenyl)-1-ethyl-3,4-dihydro-
                            
                        
                        
                        
                            Order
                            23639-30-7
                            
                                9H-Pyrrolo[3',4':5,6]pyrimido[2,1-a:4,3-a']diisoquinoline-5,7(4bH,6H)-dione,4c,7a,10,14b,16,17-hexahydro- (9CI)
                            
                        
                        
                            Order
                            25622-15-5
                            
                                1-hydroxy-3,5,7-trimethyl-1lambda~4~-pyrimido[4,5-e][1,2,4]thiadiazine-6,8(5H,7H)-dione 1-oxide