Showing structure for (7s,8s,11s,13s,16s)-7-bromo-16-(2-bromopropan-2-yl)-22-hydroxy-8,13-dimethyl-4-methylidene-12,17-dioxatetracyclo[17.3.1.0³,⁸.0¹¹,¹³]tricosa-1(23),19,21-trien-18-one