Showing structure for 15-(acetyloxy)-7-(furan-3-yl)-13-hydroxy-1,8,12,16,16-pentamethyl-5-oxo-3,6-dioxapentacyclo[9.8.0.0²,⁴.0²,⁸.0¹²,¹⁷]nonadecan-19-yl acetate