Showing structure for (1r,2r,10s,12s,14r,16r,18s)-16-(furan-3-yl)-18-methyl-8,13,15-trioxapentacyclo[10.5.1.0¹,¹⁴.0²,¹⁰.0⁶,¹⁰]octadeca-3,5-dien-7-one