Showing structure for 13-(furan-2-yl)-15-isopropyl-4,6,6,12-tetramethyl-8,14,19,20-tetraoxahexacyclo[13.3.1.1³,¹⁸.0²,⁷.0⁹,¹⁸.0¹²,¹⁷]icos-4-ene-2,3,9-triol