| —— | 3-[benzyloxycarbonyl-(1,3-dimethyl-2,4-dioxo-5-phenyl-1,2,3,4-tetrahydro-pyrrolo[3,4-d]pyrimidin-6-yl)-amino]-propionic acid | 1614251-50-1 | C25H24N4O6 | 476.489 | 
                                                                                                                                            
                                        | —— | 1,3-dimethyl-5-phenyl-8,9-dihydropyrimido[4',5'3,4]pyrrolo[1,2-b]pyridazine-2,4,10(1H,3H,7H)-trione | 1614251-51-2 | C17H16N4O3 | 324.339 | 
                                                                                                                                            
                                        | —— | trifluoro-methanesulfonic acid 5,7-dimethyl-6,8-dioxo-9-phenyl-1,2,5,6,7,8-hexahydro-1,5,7,9a-tetraaza-fluoren-4-yl ester | 1614251-52-3 | C18H15F3N4O5S | 456.402 | 
                                                                                                                                            
                                        | —— | 1,3-dimethyl-10-(4-methylthiazol-2-yl)-5-phenyl-7,8-dihydropyrimido[4',5':3,4]pyrrolo[1,2-b]pyridazine-2,4(1H,3H)-dione | 1614251-53-4 | C21H19N5O2S | 405.48 | 
                                                                                                                                            
                                        | —— | 1,3-dimethyl-10-(4-methylthiazol-2-yl)-5-phenyl-7,8,9,10-tetrahydropyrimido[4',5':3,4]pyrrolo[1,2-b]pyridazine-2,4(1H,3H)-dione | 1614249-78-3 | C21H21N5O2S | 407.496 |