Showing structure for (1r,2r,3s,4s,5s,7r,8s,11r,12s,14e,17r)-12-(acetyloxy)-5,8,11,15-tetramethyl-10,18-dioxatetracyclo[9.7.0.0²,⁷.0³,¹⁷]octadec-14-en-4-yl octanoate