| —— | [(1S,2S,3S,6R,7S,8S)-1-ethenyl-1'-(methoxymethyl)-9-methyl-2',10-dioxospiro[9-azatricyclo[4.4.0.02,8]dec-4-ene-3,3'-indole]-7-yl]methyl benzoate | 321172-72-9 | C29H28N2O5 | 484.552 | 
                                                                                                                                            
                                        | —— | (1S,2S,3S,6R,7S,8S)-1-ethenyl-7-(hydroxymethyl)-1'-(methoxymethyl)-9-methylspiro[9-azatricyclo[4.4.0.02,8]dec-4-ene-3,3'-indole]-2',10-dione | 321172-75-2 | C22H24N2O4 | 380.444 | 
                                                                                                                                            
                                        | —— | [(1S,2S,3S,6R,7S,8S,10R)-10-cyano-1-ethenyl-1'-(methoxymethyl)-9-methyl-2'-oxospiro[9-azatricyclo[4.4.0.02,8]dec-4-ene-3,3'-indole]-7-yl]methyl benzoate | 321172-68-3 | C30H29N3O4 | 495.578 | 
                                                                                                                                            
                                        | —— | tert-butyl 2-[(1S,2S,3S,6R,7S,8S,10R)-10-cyano-7-(hydroxymethyl)-1'-(methoxymethyl)-9-methyl-2'-oxospiro[9-azatricyclo[4.4.0.02,8]dec-4-ene-3,3'-indole]-1-yl]acetate | 321172-59-2 | C27H33N3O5 | 479.576 | 
                                                                                                                                            
                                        | —— | [(1S,2S,3S,6R,7S,8S,10R)-10-cyano-1-(2-hydroxyethyl)-1'-(methoxymethyl)-9-methyl-2'-oxospiro[9-azatricyclo[4.4.0.02,8]dec-4-ene-3,3'-indole]-7-yl]methyl benzoate | 321172-65-0 | C30H31N3O5 | 513.593 | 
                                                                                                                                            
                                        | —— | tert-butyl (2Z)-2-[(1R,4S,5S,6S,7S)-7-(hydroxymethyl)-1'-(methoxymethyl)-6-[methyl(prop-2-enoxycarbonyl)amino]-2'-oxospiro[bicyclo[3.2.1]oct-2-ene-4,3'-indole]-8-ylidene]acetate | —— | C29H36N2O7 | 524.614 | 
                                                                                                                                            
                                        | —— | methyl (1S,2S,5R,6S,7S,8Z)-1'-(methoxymethyl)-7-(methylamino)-8-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethylidene]-2'-oxospiro[bicyclo[3.2.1]oct-3-ene-2,3'-indole]-6-carboxylate | 321172-50-3 | C26H32N2O6 | 468.55 | 
                                                                                                                                            
                                        | —— | methyl (1S,2S,5S,8E)-1'-(methoxymethyl)-8-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethylidene]-2'-oxospiro[bicyclo[3.2.1]octa-3,6-diene-2,3'-indole]-6-carboxylate | 321172-47-8 | C25H27NO6 | 437.492 |