| —— | 
                                        (1'S,2S,4S,4'R)-5,7-dimethoxy-2',2'-dimethyl-4-(2-methylpropyl)spiro[3,4-dihydrochromene-2,3'-bicyclo[2.2.1]heptane]-6,8-dicarbaldehyde | 
                                        114942-94-8 | 
                                        C25H34O5 | 
                                        414.542 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [(1'S,2S,4S,4'R)-6-(hydroxymethyl)-5,7-dimethoxy-2',2'-dimethyl-4-(2-methylpropyl)spiro[3,4-dihydrochromene-2,3'-bicyclo[2.2.1]heptane]-8-yl]methanol | 
                                        114942-93-7 | 
                                        C25H38O5 | 
                                        418.574 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (1'S,2S,4S,4'R)-5,7-dimethoxy-2',2'-dimethyl-4-(2-methylpropyl)spiro[3,4-dihydrochromene-2,3'-bicyclo[2.2.1]heptane]-6,8-dicarboxylic acid | 
                                        114942-95-9 | 
                                        C25H34O7 | 
                                        446.541 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        dimethyl (1'S,2S,4S,4'R)-5,7-dimethoxy-2',2'-dimethyl-4-(2-methylpropyl)spiro[3,4-dihydrochromene-2,3'-bicyclo[2.2.1]heptane]-6,8-dicarboxylate | 
                                        114942-92-6 | 
                                        C27H38O7 | 
                                        474.595 |