| —— | 
                                        (-)-methyl (1β,2β,6β)-<<1-(methoxycarbonyl)ethenyl>oxy>-7-oxabicyclo<4.1.0>hept-3-ene-4-carboxylate | 
                                        80631-85-2 | 
                                        C12H14O6 | 
                                        254.24 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (3β,4α,5β)-3-<<1-(methoxycarbonyl)ethenyl>oxy>-4-(benzoyloxy)-5-bromo-1-cyclohexene-1-carboxylate | 
                                        80631-84-1 | 
                                        C19H19BrO7 | 
                                        439.26 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (3β,4α,5β)-3--4-(benzoyloxy)-5-bromo-1-cyclohexene-1-carboxylate | 
                                        80631-82-9 | 
                                        C20H21BrO9 | 
                                        485.285 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (1β,6β)-2β-(bis(methoxycarbonyl)methoxy)-7-oxabicyclo(4.1.0)hept-3-ene-4-carboxylate | 
                                        86863-49-2 | 
                                        C13H16O8 | 
                                        300.265 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (3β,4α,5β)-3--4-(benzoyloxy)-5-bromo-1-cyclohexene-1-carboxylate | 
                                        83604-12-0 | 
                                        C20H20BrClO9 | 
                                        519.73 |