Showing structure for methyl 2-[(1r,2s,4r,6r,9r,10s,11r,15r,18r)-6-(furan-2-yl)-7,9,11,15-tetramethyl-12,16-dioxo-3,17-dioxapentacyclo[9.6.1.0²,⁹.0⁴,⁸.0¹⁵,¹⁸]octadeca-7,13-dien-10-yl]acetate