Showing structure for methyl (1s,2r,3s,4r,8s,9s,10r,13r,15r)-2-(acetyloxy)-13-(furan-3-yl)-4-hydroxy-4,8,10,12-tetramethyl-7-oxo-16-oxatetracyclo[8.6.0.0³,⁸.0¹¹,¹⁵]hexadeca-5,11-diene-9-carboxylate