Showing structure for (1s,2s,6r,7r,9r,10s,11s,12r,14s)-11-(acetyloxy)-9-(chloromethyl)-9-hydroxy-14-methyl-5-methylidene-4-oxo-3,13-dioxatetracyclo[8.4.0.0²,⁶.0¹²,¹⁴]tetradecan-7-yl (2e)-4-hydroxy-2-methylbut-2-enoate