Showing structure for (8s,9r,10s,11r)-11-(acetyloxy)-3-hydroxy-4,5,14,15,16-pentamethoxy-9,10-dimethyltricyclo[10.4.0.0²,⁷]hexadeca-1(12),2,4,6,13,15-hexaen-8-yl (2e)-2-methylbut-2-enoate