| —— | 
                                        (2R,4aS,9aR)-11-(cyclopropylmethyl)-6-methoxy-N-phenethyl-1,2,3,4-tetrahydro-9H-4a,9a-(ethanoiminomethano)fluorene-2-carboxamide | 
                                        1372867-98-5 | 
                                        C30H38N2O2 | 
                                        458.644 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2S,4aS,9aR)-11-(cyclopropylmethyl)-6-methoxy-1,2,3,4-tetrahydro-9H-4a,9a-(ethanoiminomethano)fluorene-2-carboxylate | 
                                        1372867-79-2 | 
                                        C23H31NO3 | 
                                        369.504 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (1R,9R)-11-(cyclopropylmethyl)-4-methoxy-11-azatetracyclo[7.4.4.01,9.02,7]heptadeca-2(7),3,5-trien-15-one | 
                                        1043876-62-5 | 
                                        C21H27NO2 | 
                                        325.451 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2S,4aR,9aR)-11-(cyclopropylmethyl)-6-methoxy-3-oxo-1,2,3,4-tetrahydro-9H-4a,9a-(ethanoiminomethano)fluorene-2-carboxylate | 
                                        1372867-72-5 | 
                                        C23H29NO4 | 
                                        383.488 |