Showing structure for (1r,2s,3r,4r,7r,8e,10z,12r,13r,14s,16r,17s,18s)-2-(acetyloxy)-3,12-dihydroxy-9-(hydroxymethyl)-4,13,18-trimethyl-5-oxo-6,15-dioxatetracyclo[11.5.0.0³,⁷.0¹⁴,¹⁶]octadeca-8,10-dien-17-yl acetate