英文名称
5-[5-(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)-3-methylpenta-1,3-dienyl]-2-methyl-2-[2-methyl-5-[(1E,3E)-3-methyl-5-(9-methyl-2,4-dioxo-9-propan-2-yl-1,5-dioxaspiro[5.5]undecan-3-ylidene)penta-1,3-dienyl]-4-oxido-6-oxo-1,3-dioxin-2-yl]-6-oxo-1,3-dioxin-4-olate