Showing structure for 6-hydroxy-10-(3-hydroxy-3-methylbut-1-en-1-yl)-5,13,16-trimethyl-2-oxatetracyclo[7.5.3.0¹,¹⁰.0³,⁸]heptadeca-3,5,7,12,16-pentaene-11,14-dione