Showing structure for (1's,2s,3ar,4'r,5'r,8'r,9'r,12'r)-4'-(furan-3-yl)-4,4,5',9',12'-pentamethyl-3,3a-dihydro-3',10',14'-trioxaspiro[furo[3,2-c]pyran-2,13'-tetracyclo[7.4.1.0¹,⁵.0⁸,¹²]tetradecane]-2',6,11'-trione