Showing structure for 1,5-dimethyl (3r)-3-[(1r,5r,5's,7ar)-1-(furan-3-yl)-2',5',7a-trimethyl-3,4'-dioxo-6,7-dihydro-1h-spiro[cyclopenta[c]pyran-5,1'-cyclopentan]-2'-en-5'-yl]-2,2-dimethylpentanedioate