Showing structure for (1r,5s,7z,11s,12s,13s,14s)-12,13-dihydroxy-7,11-dimethyl-14-(prop-1-en-2-yl)-4,16-dioxatricyclo[10.3.1.1²,⁵]heptadeca-2(17),7-diene-3,9-dione