Showing structure for 2-(hex-4-enoyl)-5,6,9-trihydroxy-12-[(2e,4e)-1-hydroxyhexa-2,4-dien-1-ylidene]-1,4,6,9-tetramethyltricyclo[6.2.2.0²,⁷]dodec-4-ene-3,10,11-trione