Showing structure for 12-hydroxy-8,21,21-trimethyl-5,19-bis(3-methylbut-2-en-1-yl)-3,7,20-trioxahexacyclo[15.4.1.0²,¹⁵.0²,¹⁹.0⁴,¹³.0⁶,¹¹]docosa-4(13),5,9,11,15-pentaene-14,18-dione