| —— | 
                                        (-)-(S)-3-methylhexanedioic acid | 
                                        61897-93-6 | 
                                        C43H42N2O8 | 
                                        714.815 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-72-benzoyl-34,76,7,92-tetramethoxy-71,2,3,4-tetrahydro-4,8-dioxa-12-aza-3(1,3),5,9(1,4)-tribenzena-7(1,8)-isoquinolina-tridecaphanedioic acid 13-tert-butyl ester 1-methyl ester | 
                                        61898-04-2 | 
                                        C49H54N2O11 | 
                                        846.975 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2,6,6-trimethyl-2-hexene-1-carbonyl chloride | 
                                        61897-94-7 | 
                                        C43H40N2O7 | 
                                        696.8 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-72-benzoyl-34,76,7,92-tetramethoxy-71,2,3,4-tetrahydro-4,8-dioxa-12-aza-3(1,3),5,9(1,4)-tribenzena-7(1,8)-isoquinolina-tridecaphanedioic acid 13-tert-butyl ester 1-(4-nitro-phenyl) ester | 
                                        64434-38-4 | 
                                        C54H55N3O13 | 
                                        954.043 |