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