Showing structure for 5-({9,15-dihydroxy-14-isopropyl-2,6,6-trimethyl-18-methylidene-13,16-dioxopentacyclo[8.6.2.0¹,¹².0²,⁷.0⁸,¹²]octadec-14-en-17-yl}methyl)-1,4a-dimethyl-6-methylidene-hexahydro-2h-naphthalene-1-carboxylic acid