| —— | 
                                        (+/-)-apovincamine | 
                                        —— | 
                                        C21H24N2O2 | 
                                        336.434 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        3-((1R,12bR)-1-Ethyl-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-1-yl)-2-[(E)-hydroxyimino]-propionic acid methyl ester | 
                                        86708-31-8 | 
                                        C21H27N3O3 | 
                                        369.464 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (1R,12bR)-1-ethyl-3,4,6,7,12,12b-hexahydro-2H-indolo[2,3-a]quinolizine-1-carbaldehyde | 
                                        51049-26-4 | 
                                        C18H22N2O | 
                                        282.385 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (1R,12bS)-1-ethyl-1,2,3,4,6,7,12,12b-octahydroindolo<2,3-a>quinolizine-1-carboxaldehyde | 
                                        51152-47-7 | 
                                        C18H22N2O | 
                                        282.385 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (1R*,5R*,12bR*)-1-ethyl-1,2,3,4,6,7,12,12b-octahydroindolo<2,3-a>quinolizine-1-methanol | 
                                        106498-98-0 | 
                                        C18H24N2O | 
                                        284.401 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-ethyl-2,3,4,6,7,12-hexahydroindolo<2,3-a>quinolizin-4(1H)-one | 
                                        66685-08-3 | 
                                        C17H18N2O | 
                                        266.343 |