Showing structure for (4ar,5s,6r,8ar)-5-{2-[(1r,2r,6s,9r,11s,13r,14s,17s,18s)-11-(furan-3-yl)-9,13-dimethyl-3-oxo-4,10,21-trioxahexacyclo[16.2.1.0²,⁶.0²,¹⁷.0⁶,¹⁴.0⁹,¹³]henicosa-15,19-dien-20-yl]ethyl}-5,6,8a-trimethyl-3,4,4a,6,7,8-hexahydronaphthalene-1-carboxylic acid