| —— | 
                                        (E)-(8S,14S,17S,20R,21S)-21-hydroxy-14-(3-hydroxy-benzyl)-17-isopropyl-20-methyl-6-oxa-12,15,18,27-tetraaza-tricyclo[20.2.2.1*8,12*]heptacosa-1(25),2,22(26),23-tetraene-7,13,16,19-tetraone | 
                                        1381808-56-5 | 
                                        C33H42N4O7 | 
                                        606.719 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-1-{(S)-2-{(S)-2-[(2R,3S)-3-(tert-butyl-dimethyl-silanyloxy)-2-methyl-3-(4-vinyl-phenyl)-propionylamino]-3-methyl-butyrylamino}-3-[3-(tert-butyl-dimethyl-silanyloxy)-phenyl]-propionyl}-hexahydro-pyridazine-3-carboxylic acid but-3-enyl ester | 
                                        1381811-81-9 | 
                                        C47H74N4O7Si2 | 
                                        863.298 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (E)-(8S,14S,17S,20R,21S)-21-(t-butyl-dimethyl-silanyloxy)-14-[3-(t-butyl-dimethyl-silanyloxy)-benzyl]-17-isopropyl-20-methyl-6-oxa-12,15,18,27-tetraaza-tricyclo[20.2.2.1*8,12*]heptacosa-1(25),2,22(26),23-tetraene-7,13,16,19-tetraone | 
                                        1381811-86-4 | 
                                        C45H70N4O7Si2 | 
                                        835.244 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-1-{(S)-2-((S)-2-amino-3-methyl-butyrylamino)-3-[3-(tert-butyl-dimethyl-silanyloxy)-phenyl]-propionyl}-hexahydro-pyridazine-3-carboxylic acid but-3-enyl ester | 
                                        1381810-54-3 | 
                                        C29H48N4O5Si | 
                                        560.809 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (tert-butoxycarbonyl)-L-valine-L-(tert-butyldimethylsilyl)-meta-tyrosine-hexahydropyridazine-3S-carboxylic acid 2,2,2-trichloroethyl ester | 
                                        247186-22-7 | 
                                        C32H51Cl3N4O7Si | 
                                        738.224 |