Showing structure for (1r,2s,6s,7s,8r,10s,11s,12r,14s,16r,18r)-6,7-dihydroxy-8-(hydroxymethyl)-4,18-dimethyl-14-nonyl-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