Showing structure for (1r,2s,6s,7s,9r,11r,13r,17s)-11-hydroxy-4,15-dimethoxy-2,6,14,17-tetramethyl-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadeca-4,14-diene-3,16-dione