Showing structure for (1r,2r,7s,13r,14r,16s,19r,20s)-19-(furan-3-yl)-11-hydroxy-9,9,13,20-tetramethyl-4,8,15,18-tetraoxahexacyclo[11.9.0.0²,⁷.0²,¹⁰.0¹⁴,¹⁶.0¹⁴,²⁰]docos-10-ene-5,12,17-trione