英文名称
Ethyl 3-[5-[5-[3-[5-[2-(3-ethoxy-3-oxopropyl)-2-methyl-4,6-dioxo-1,3-dioxan-5-ylidene]pent-3-enylidene]-4-hydroxy-2,11,13-trioxo-10,14-dioxadispiro[5.2.59.26]hexadec-4-en-12-ylidene]penta-1,3-dienyl]-4-hydroxy-2-methyl-6-oxo-1,3-dioxin-2-yl]propanoate