| —— | methyl (1S,2S,4R,7R,9S,10S,11R,13S)-9-methoxy-15-methyl-14-oxo-4-phenyl-3,5,8-trioxatetracyclo[8.6.0.01,13.02,7]hexadec-15-ene-11-carboxylate | 910324-25-3 | C23H26O7 | 414.455 | 
                                                                                                                                            
                                        | —— | methyl (1S,2S,4S,4aS,5R,6aS,9aS)-1-benzoyloxy-2-(bromomethyl)-4-methoxy-8-methyl-7-oxo-2,4,4a,5,6,6a-hexahydro-1H-pentaleno[1,6a-c]pyran-5-carboxylate | 910324-26-4 | C23H25BrO7 | 493.351 | 
                                                                                                                                            
                                        | —— | methyl (1S,4S,4aS,5R,6aS,9aS)-1-benzoyloxy-4-methoxy-8-methyl-2,7-dioxo-1,4,4a,5,6,6a-hexahydropentaleno[1,6a-c]pyran-5-carboxylate | 910324-29-7 | C22H22O8 | 414.412 | 
                                                                                                                                            
                                        | —— | methyl (1S,4S,4aS,5R,6aS,9aS)-1-benzoyloxy-4-methoxy-8-methyl-2-methylidene-7-oxo-1,4,4a,5,6,6a-hexahydropentaleno[1,6a-c]pyran-5-carboxylate | 910324-28-6 | C23H24O7 | 412.439 |