Showing structure for 4,5-dihydroxy-2-(hydroxymethyl)-6-({2-methyl-10-methylidene-4,11-dioxo-12-oxatricyclo[7.3.1.0¹,⁵]trideca-2,5-dien-6-yl}methoxy)oxan-3-yl 2-[3a-hydroxy-8-(hydroxymethyl)-3-methyl-1-oxo-4,5,6,7-tetrahydroazulen-5-yl]prop-2-enoate