| —— | 
                                        methyl 1,1-ethylenedioxy-1,2,3,4-tetrahydro-3-hydroxy-5,8-dimethoxynaphthalene-3-carboxylate | 
                                        76117-18-5 | 
                                        C16H20O7 | 
                                        324.331 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        rac-3-acetyl-1,1-ethylenedioxy-1,2,3,4-tetrahydro-3-hydroxy-5,8-dimethoxynaphthalene | 
                                        76117-35-6 | 
                                        C16H20O6 | 
                                        308.331 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5,8-dimethoxy-3-(2-methyl-1,3-dioxolan-2-yl)-2,4-dihydro-1H-naphthalene-1,3-diol | 
                                        111608-87-8 | 
                                        C16H22O6 | 
                                        310.347 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        3-<1-(1,1-ethylenedioxy)ethyl>-1,2,3,4-tetrahydro-3-hydroxy-5,8-dimethoxynaphthalenone | 
                                        76117-40-3 | 
                                        C16H20O6 | 
                                        308.331 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-3-<1-(1,1-ethylenedioxy)ethyl>-1,2,3,4-tetrahydro-3-hydroxy-5,8-dimethonaphthalenone | 
                                        76156-01-9 | 
                                        C16H20O6 | 
                                        308.331 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (1S)-1',2',3',4'-tetrahydro-2'-hydroxy-5',8'-dimethoxyspiro[1,3-dithiolane-2,4'-naphthalene]-2'-carboxylate | 
                                        76117-21-0 | 
                                        C16H20O5S2 | 
                                        356.464 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1',2',3',4'-tetrahydro-2'-hydroxy-5',8'-dimethoxyspiro[1,3-dithiolane-2,4'-naphthalene]-2'-carboxylic acid | 
                                        76117-20-9 | 
                                        C15H18O5S2 | 
                                        342.437 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1,2,3,4-tetrahydro-5,8-dimethoxy-4-oxo-2-acetyl-2-hydroxynaphthalene cyclic 4-(ethylene mercaptole), cyclic 2-ethyleneglycol ketal | 
                                        76117-39-0 | 
                                        C18H24O5S2 | 
                                        384.518 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        3,6,11-triacetoxy-3-acetyl-1,1-ethylenendioxy-1,2,3,4,5,5a,6,11,11a,12-decahydronaphthacene-5,12-quinone | 
                                        84255-62-9 | 
                                        C28H28O11 | 
                                        540.524 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-3'-acetyl-1',2',3',4'-tetrahydro-3'-hydroxy-5',8'-dimethoxyspiro<1,3-dithiolan-2,1'-naphthalene> | 
                                        76155-97-0 | 
                                        C16H20O4S2 | 
                                        340.464 |