| —— | O6-hydrogen O8-methyl endo-11-acetoxy-5-hydroxytricyclo<7.2.1.04,10>dodeca-2,5,7-triene-6,8-dicarboxylate | 110129-70-9 | C17H18O7 | 334.326 | 
                                                                                                                                            
                                        | —— | O6-tert-butyl O8-methyl 5-hydroxy-endo-11-tert-butoxytricyclo<7.2.1.04,10>dodeca-2,5,7-triene-6,8-dicarboxylate | 110129-69-6 | C23H32O6 | 404.503 | 
                                                                                                                                            
                                        | —— | methyl endo-9-tert-butoxy-5-oxotricyclo<5.2.1.04,8>dec-2-ene-6carboxylate | 110129-68-5 | C16H22O4 | 278.348 | 
                                                                                                                                            
                                        | —— | endo-9-tert-butoxytricyclo<5.2.1.04,8>dec-2-en-5-one | 52113-97-0 | C14H20O2 | 220.312 | 
                                                                                                                                            
                                        | —— | exo-10-tert-butoxytetracyclo<4.4.0.02,4.03,9>-dec-7-en-5-one | 38311-46-5 | C14H18O2 | 218.296 |