| —— | 
                                        tert-butyl N-[N'-[(2S,3S)-2-[tert-butyl(dimethyl)silyl]oxy-8-oxo-1,7-diazatricyclo[7.3.0.03,7]dodeca-9,11-dien-3-yl]-N-[(2-methylpropan-2-yl)oxycarbonyl]carbamimidoyl]carbamate | 
                                        1169875-35-7 | 
                                        C27H45N5O6Si | 
                                        563.77 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        benzyl (3aR,12aS)-2-(methylthio)-8-oxo-5,6-dihydro-4H,8H-imidazo[4,5-b]dipyrrolo[1,2-a:1',2'-d]pyrazine-1(12aH)-carboxylate | 
                                        1246512-87-7 | 
                                        C20H20N4O3S | 
                                        396.47 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (10S,10aS)-10a-amino-10-((tert-butyldimethylsilyl)oxy)-2,3,10,10a-tetrahydro-1H,5H-dipyrrolo[1,2-a:1',2'-d]pyrazin-5-one | 
                                        1169875-45-9 | 
                                        C16H27N3O2Si | 
                                        321.495 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl (1S,5S)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-11-oxo-2,4,6,12-tetrazatetracyclo[10.3.0.01,5.06,10]pentadeca-2,7,9-triene-4-carboxylate | 
                                        1169875-36-8 | 
                                        C21H29N5O5 | 
                                        431.492 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        benzyl (1S,5S)-3,11-dioxo-2,4,6,12-tetrazatetracyclo[10.3.0.01,5.06,10]pentadeca-7,9-diene-4-carboxylate | 
                                        1054657-78-1 | 
                                        C19H18N4O4 | 
                                        366.376 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        N-((10S,10aS)-10-((tert-butyldimethylsilyl)oxy)-5-oxo-3H,5H-dipyrrolo[1,2-a:1',2'-d]pyrazin-10a(10H)-yl)-2,2,2-trichloroacetamide | 
                                        1169875-34-6 | 
                                        C18H24Cl3N3O3Si | 
                                        464.851 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (8S,9S)-9-amino-8-[tert-butyl(dimethyl)silyl]oxy-1,7-diazatricyclo[7.3.0.03,7]dodeca-3,5,10-trien-2-one | 
                                        1169875-44-8 | 
                                        C16H25N3O2Si | 
                                        319.479 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (+)-phakellstatin | 
                                        549490-98-4 | 
                                        C11H12N4O2 | 
                                        232.242 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [(2R,3S)-8-oxo-3-[(2,2,2-trichloroacetyl)amino]-1,7-diazatricyclo[7.3.0.03,7]dodeca-4,9,11-trien-2-yl] acetate | 
                                        1169875-32-4 | 
                                        C14H12Cl3N3O4 | 
                                        392.626 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [(2R,5R)-5-hydroxy-8-oxo-1,7-diazatricyclo[7.3.0.03,7]dodeca-3,9,11-trien-2-yl] acetate | 
                                        1169875-37-9 | 
                                        C12H12N2O4 | 
                                        248.238 |