Showing structure for (1r,2s,3r,11r,14s,16s)-3,14,16-trihydroxy-11,15,15-trimethyl-7-[(1e,3z)-penta-1,3-dien-1-yl]-8,10,17-trioxapentacyclo[14.2.2.0¹,¹⁴.0²,¹¹.0⁴,⁹]icosa-4(9),6-dien-5-one