Showing structure for 8',17',20'-trihydroxy-1',3,4,6',6',10',17',21'-octamethyl-14'-oxaspiro[furan-2,15'-pentacyclo[11.7.1.0²,¹¹.0⁵,¹⁰.0¹⁸,²¹]henicosane]-2',11'-diene-5,7'-dione