Showing structure for 3-hydroxy-4,5,5,6',10',12'-hexamethyl-6'-(3-oxobutyl)-14'-oxaspiro[oxolane-2,13'-tetracyclo[9.3.2.0¹,¹⁰.0²,⁷]hexadecane]-2'(7'),3',8'-trien-5'-one