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658701-14-5 acetic acid,cyano[2-(4-methoxyphenyl)-9-oxocyclohepta[b]pyran-4(9h)-ylidene]-

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Product Name Acetic acid,cyano[2-(4-methoxyphenyl)-9-oxocyclohepta[b]pyran-4(9H)-ylidene]-
CAS No. 658701-14-5
Molecular Formula C20H13NO5