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![methyl 4,7,9,10'-tetramethoxy-5,8,9'-trioxo-4',5,8,9'-tetrahydro-3H,3'H-spiro[naphtho[2,3-b]furan-2,2'-pyrano[4,3-g]chromene]-7'-carboxylate](https://cdn-oss.0elem.com/prod/mob/images/959/959587-11-2.jpg)
methyl 4,7,9,10'-tetramethoxy-5,8,9'-trioxo-4',5,8,9'-tetrahydro-3H,3'H-spiro[naphtho[2,3-b]furan-2,2'-pyrano[4,3-g]chromene]-7'-carboxylate
CAS号：959587-11-2
英文名：methyl 4,7,9,10'-tetramethoxy-5,8,9'-trioxo-4',5,8,9'-tetrahydro-3H,3'H-spiro[naphtho[2,3-b]furan-2,2'-pyrano[4,3-g]chromene]-7'-carboxylate
分子式：C29H24O12
分子量：564.494
![methyl 6-(3-cyano-2-oxo-3-(triphenyl-l5-phosphaneylidene)propyl)-4',7',8,9'-tetramethoxy-5',8'-dioxo-5',8'-dihydro-3'H-spiro[chromane-2,2'-naphtho[2,3-b]furan]-7-carboxylate](https://cdn-oss.0elem.com/prod/mob/images/959/959587-07-6.jpg)
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