Showing structure for 11,22-dihydroxy-7,7,19-trimethyl-19-(4-methylpent-3-en-1-yl)-2,8,20-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁶,²¹]docosa-1(22),3,5,9,11,14,16(21),17-octaen-13-one