Showing structure for 13-(1,6-dihydroxyhexa-2,4-dien-1-ylidene)-6,7,12-trihydroxy-4-(6-hydroxyhex-4-enoyl)-2,6,9,11-tetramethyl-8-oxatricyclo[7.4.0.0²,⁷]tridec-11-ene-3,10-dione