Showing structure for 6,7-dihydroxy-8-(hydroxymethyl)-4,18-dimethyl-14-(nona-1,3-dien-1-yl)-16-(prop-1-en-2-yl)-9,13,15,19-tetraoxahexacyclo[12.4.1.0¹,¹¹.0²,⁶.0⁸,¹⁰.0¹²,¹⁶]nonadec-3-en-5-one