Showing structure for (1r,2s,8r,10s,11s,12s,14r,16s,17s)-16-(furan-3-yl)-2,7,7,11,17-pentamethyl-5,15-dioxo-6,13-dioxapentacyclo[9.8.0.0²,⁸.0¹²,¹⁴.0¹²,¹⁷]nonadec-3-en-10-yl acetate