英文名称
12-[(1E,3E)-5-(10-methyl-2,4-dioxo-1,5-dioxaspiro[5.5]undecan-3-ylidene)penta-1,3-dienyl]-3-[5-(10-methyl-2,4-dioxo-1,5-dioxaspiro[5.5]undecan-3-ylidene)penta-1,3-dienyl]-4,13-dioxo-1,5,10,14-tetraoxadispiro[5.2.59.26]hexadeca-2,11-diene-2,11-diolate