英文名称
5-[5-[4-hydroxy-2-[4-hydroxy-2-methyl-5-[(1E,3E)-3-methyl-5-(2-methyl-4,6-dioxo-2-propan-2-yl-1,3-dioxan-5-ylidene)penta-1,3-dienyl]-6-oxo-1,3-dioxin-2-yl]-2-methyl-6-oxo-1,3-dioxin-5-yl]-3-methylpenta-2,4-dienylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione